Abrégé

A boring machine for boring a part of a fluid pipe in an uninterrupted flow state, includes: a shaft member having a leading end to which a cutter is attached; a drive mechanism configured to rotate the cutter and the shaft member around the shaft of the shaft member; and a forward and backward moving operation mechanism configured to move the cutter and the shaft member forward and backward in the axial direction of the shaft member by a handle that is manually rotated. The forward and backward moving operation mechanism is further configured to switch a feed amount of the cutter and the shaft member in the axial direction between at least two different feed amounts according to a rotational amount of the handle.

Classes IPC  ?

• F16L 41/04 - Installation de prises de branchement sur les parois de tuyaux, c.-à-d. établissement de dérivations sur tuyaux pendant qu'ils transportent des fluidesAccessoires à cet effet
• B26F 1/16 - Perforation par un ou plusieurs outils du type foret
• F16L 47/34 - Branchement en charge, c.-à-d. établissement de dérivations en traversant les parois des tuyaux pendant qu'ils transportent des fluidesLeurs accessoires

Abrégé

A method of opening a fluid control valve having a housing externally fitted onto a fluid pipe in a hermetic state and a valve body configured for contacting an inner peripheral surface of a hole of the fluid pipe provided in the housing and an inner peripheral surface of the fluid pipe to hermetically block or open a flow of fluid in the fluid pipe. The method includes a pressure adjustment step of decreasing a pressure difference between the fluid in the fluid pipe on a first side of the valve body and the fluid in the fluid pipe on a second side of the valve body in a blocking state of the valve body. The first side and the second side of the valve body are arranged so as to sandwich the valve body in an axial direction of the fluid pipe, and a valve opening step of opening the valve body.

Classes IPC  ?

• F16L 55/105 - Obturateurs introduits radialement dans le tuyau ou la manche
• F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
• F16L 55/16 - Dispositifs pour aveugler les fuites dans les tuyaux ou manches

Abrégé

A boring machine for boring a part of a fluid pipe in an uninterrupted flow state, includes: a shaft member having a leading end to which a cutter is attached; a drive mechanism configured to rotate the cutter and the shaft member around the shaft of the shaft member; and a forward and backward moving operation mechanism configured to move the cutter and the shaft member forward and backward in the axial direction of the shaft member by a handle that is manually rotated. The forward and backward moving operation mechanism is further configured to switch a feed amount of the cutter and the shaft member in the axial direction between at least two different feed amounts according to a rotational amount of the handle.

Classes IPC  ?

• F16L 41/04 - Installation de prises de branchement sur les parois de tuyaux, c.-à-d. établissement de dérivations sur tuyaux pendant qu'ils transportent des fluidesAccessoires à cet effet
• B26F 1/16 - Perforation par un ou plusieurs outils du type foret
• F16L 47/34 - Branchement en charge, c.-à-d. établissement de dérivations en traversant les parois des tuyaux pendant qu'ils transportent des fluidesLeurs accessoires

Abrégé

A method of opening a fluid control valve having a housing externally fitted onto a fluid pipe in a hermetic state and a valve body configured for contacting an inner peripheral surface of a hole of the fluid pipe provided in the housing and an inner peripheral surface of the fluid pipe to hermetically block or open flow of fluid in the fluid pipe. The method includes a pressure adjustment step of decreasing a pressure difference between the fluid in the fluid pipe on a first side and a second side of the valve body and the fluid in the fluid pipe in a blocking state of the valve body. The first side and the second side of the valve body are arranged so as to sandwich the valve body in an axial direction of the fluid pipe, and a valve opening step of opening the valve body.

Classes IPC  ?

• F16L 55/105 - Obturateurs introduits radialement dans le tuyau ou la manche
• F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
• F16L 55/16 - Dispositifs pour aveugler les fuites dans les tuyaux ou manches

Abrégé

Provided is a piercing machine with which the control of the advancement speed of a cutter can be easily performed by means of a manual turning operation of a handle.　This piercing machine 5 for piercing a portion of a fluid pipe 1 in an uninterrupted flow state comprises: a shaft member 54 having a cutter 52 attached to a tip thereof; a driving means 55 that enables the cutter 52 and the shaft member 54 to rotate about the axis of the shaft member 54; and an advancing/retreating operation means 56 that enables the cutter 52 and the shaft member 54 to advance/retreat in the axial direction of the shaft member 54 by means of a manual turning operation of a handle 56a, wherein the advancing/retreating operation means 56 is able to switch the feeding amount in the axial direction of the cutter 52 and the shaft member 54 between at least two stages in accordance with the turning operation amount of the handle 56a.

Classes IPC  ?

• B23B 41/08 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet pour aléser, percer ou tarauder des trous dans des tubes sous pression
• B26F 1/16 - Perforation par un ou plusieurs outils du type foret

Abrégé

The present invention provides a boring machine capable of easily controlling a proceeding speed of a cutter by manual rotatable operation of a handle. A boring machine for boring a part of a fluid pipe in an uninterrupted flow state includes: a shaft member having a leading end to which a cutter is attached; a drive means configured to rotate the cutter and the shaft member around the shaft of the shaft member; and a forward and backward moving operation means configured to move the cutter and the shaft member forward and backward in the axial direction of the shaft member by a handle that is manually rotated. The forward and backward moving operation means is further configured to switch a feed amount of the cutter and the shaft member in the axial direction between at least two different feed amounts according to a rotational amount of the handle.

Classes IPC  ?

• F16L 41/04 - Installation de prises de branchement sur les parois de tuyaux, c.-à-d. établissement de dérivations sur tuyaux pendant qu'ils transportent des fluidesAccessoires à cet effet
• F16L 47/34 - Branchement en charge, c.-à-d. établissement de dérivations en traversant les parois des tuyaux pendant qu'ils transportent des fluidesLeurs accessoires

Abrégé

A pipe drilling device includes a casing having a divided structure and externally fitted to a fluid pipe in a sealed manner, a process valve including a process valve body that comes into contact with and separates from a recessed valve seat portion provided inside a neck portion of the casing, a drilling machine including a cutter that is inserted into the casing and configured for drilling the fluid pipe in an uninterrupted flow state, and a cylindrical portion that is movable to open and close an opening of the recessed valve seat portion inside the neck portion.

Classes IPC  ?

• F16L 41/06 - Installation de prises de branchement sur les parois de tuyaux, c.-à-d. établissement de dérivations sur tuyaux pendant qu'ils transportent des fluidesAccessoires à cet effet utilisant des moyens de fixation qui embrassent le tuyau
• B23B 47/34 - Agencements pour enlever les copeaux des trous pendant le perçageAgencements fixés à l'outil pour briser les copeaux
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

A fluid control valve and a method of opening the fluid control valve, the fluid control valve including a housing externally fitted onto a fluid pipe in a hermetic state and a valve body configured for contacting an inner peripheral surface of a hole of the fluid pipe provided in the housing and an inner peripheral surface of the fluid pipe to hermetically block or open a flow of fluid in the fluid pipe. The method includes a pressure adjustment step of decreasing a pressure difference between the fluid in the fluid pipe respectively on first and second sides of the valve body in a blocking state of the valve body. The first and second sides of the valve body are arranged so as to sandwich the valve body in an axial direction of the fluid pipe. The method further includes a step of opening the valve body.

Classes IPC  ?

• F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

Provided are a valve opening method for a flow control valve in which a valve opening operation for a valve body is easy and a flow control valve used therefor.　This valve opening method is for a flow control valve 10 which is provided with: a casing 5 into which a fluid pipe 1 is externally fitted in an airtight state; and a valve body 11 capable of blocking or releasing a fluid in the fluid pipe 1 in an airtight manner by being brought into contact with an inner peripheral surface 1e of the fluid pipe and an inner peripheral surface of a hole portion 1c of the fluid pipe 1 formed in the casing 5, and which controls the fluid. The valve opening method for the flow control valve 10 comprises: a pressure regulating step for reducing a differential pressure between one side and the other side of the internal space of the fluid pipe 1 across the valve body 11 in the pipe axial direction under the blocking state of the valve body 11; and a valve opening step for opening the valve body 11.

Classes IPC  ?

• F16K 3/02 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation planesGarnitures d'étanchéité à cet effet
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

A fluid control device has a partition body formed by a wall portion that is provided with a through hole communicating with an opening portion in a valve seat, the wall portion being mounted on the valve seat body in a sealed manner, and a lid portion which is provided continuously to the wall portion, the lid portion covering an opening side of the casing, the partition body including a seal component that seals a gap between an inner surface of a casing and the partition body.

Classes IPC  ?

• F16L 55/105 - Obturateurs introduits radialement dans le tuyau ou la manche
• F16K 1/22 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à éléments de fermeture articulés à pivot comportant disque ou volet pivotant dont l'axe de rotation traverse le corps de soupape, p. ex. régulateurs à papillon
• F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage

Abrégé

An installment method of a fluid control body and a fluid control device including a fluid control body with which processes of designing, manufacturing, and managing the fluid control body are simplified to suppress cost of manufacturing, etc, includes a cut-off step of cutting off part of a fluid pipe inside a casing, and an installment step of installing the fluid control body including an on-off valve formed by a valve seat body and a valve element, and a partition body formed by a wall portion, a lid portion, and a seal component, inside the casing in a sealed manner in a state where an operation shaft of the on-off valve is placed in a direction different from the vertical direction.

Classes IPC  ?

• F16L 55/105 - Obturateurs introduits radialement dans le tuyau ou la manche
• F16K 1/22 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à éléments de fermeture articulés à pivot comportant disque ou volet pivotant dont l'axe de rotation traverse le corps de soupape, p. ex. régulateurs à papillon
• F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage
• F16L 55/07 - Aménagement ou montage de dispositifs, p. ex. soupapes, pour ventiler ou aérer ou purger

Abrégé

Provided are an installation method and an installation device for a fluid control device capable of improving controllability of a fluid in a pipe by improving positional accuracy of a valve body inserted into a hole formed in a fluid pipe in a housing and decreasing the size, weight, and cost of construction equipment such as an operation valve device or an installation device of a fluid control valve.

Classes IPC  ?

• F16L 41/06 - Installation de prises de branchement sur les parois de tuyaux, c.-à-d. établissement de dérivations sur tuyaux pendant qu'ils transportent des fluidesAccessoires à cet effet utilisant des moyens de fixation qui embrassent le tuyau
• F16K 27/00 - Structures des logementsMatériaux utilisés à cet effet
• F16K 43/00 - Moyens de fermeture auxiliaire des soupapes, pouvant prendre à leur compte, en cas de réparation de la soupape, p. ex. un regarnissage des rondelles, la fonction des moyens normaux de fermetureDispositifs pour le remplacement temporaire des parties de soupapes dans le même but
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

A pipe drilling device has a recessed valve seat portion formed in an inner surface of a neck portion able to come into contact with a process valve body in a clean state without being subjected to a defect caused by the entering of chips generated by drilling, so that high sealing performance can be maintained. The device includes a casing having a divided structure externally fitted to a fluid pipe in a sealed manner, a process valve including a process valve body that comes into contact with and separates from a recessed valve seat portion inside a neck portion of the casing, a drilling machine including a cutter that is inserted into the casing and configured for drilling the fluid pipe in an uninterrupted flow state, and a cylindrical portion that is movable to open and close an opening of the recessed valve seat portion inside the neck portion.

Classes IPC  ?

• B23B 41/08 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet pour aléser, percer ou tarauder des trous dans des tubes sous pression
• B23B 47/34 - Agencements pour enlever les copeaux des trous pendant le perçageAgencements fixés à l'outil pour briser les copeaux
• B28D 1/14 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par forage ou perçage
• B28D 7/02 - Accessoires spécialement conçus pour leur utilisation avec les machines ou les dispositifs des autres groupes de la présente sous-classe pour enlever ou faire se déposer la poussière p. ex. par pulvérisation de liquidesAccessoires spécialement conçus pour leur utilisation avec les machines ou les dispositifs des autres groupes de la présente sous-classe pour refroidir les pièces travaillées
• F16L 41/06 - Installation de prises de branchement sur les parois de tuyaux, c.-à-d. établissement de dérivations sur tuyaux pendant qu'ils transportent des fluidesAccessoires à cet effet utilisant des moyens de fixation qui embrassent le tuyau
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

Provided is a duct boring device in which an indented valve seat formed in an inner surface of a neck portion can be brought into contact with a work valve body in a clean state without causing any trouble due to infiltration of machining dust generated as a result of boring, and which thereby is capable of maintaining a high degree of sealing performance.　This duct boring device at least comprises: a housing 5 having a divided structure that is to be externally fitted, in a tightly sealed state, to a fluid duct 1; a work valve 3 equipped with a work valve body 31 that is brought into contact with and is separated from an indented valve seat 5i provided inside a neck portion 5d of the housing 5; and a boring machine 7 equipped with a cutter 72 that is inserted in the housing 5 and that bores a fluid duct 1 in a state of uninterrupted flow, wherein provided is a cylindrical part 75a that moves in such a manner as to be able to open and close an opening of the indented valve seat 5i inside the neck portion 5d.

Classes IPC  ?

• B23B 41/08 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet pour aléser, percer ou tarauder des trous dans des tubes sous pression
• B23B 47/34 - Agencements pour enlever les copeaux des trous pendant le perçageAgencements fixés à l'outil pour briser les copeaux
• B28D 1/14 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par forage ou perçage
• B28D 7/02 - Accessoires spécialement conçus pour leur utilisation avec les machines ou les dispositifs des autres groupes de la présente sous-classe pour enlever ou faire se déposer la poussière p. ex. par pulvérisation de liquidesAccessoires spécialement conçus pour leur utilisation avec les machines ou les dispositifs des autres groupes de la présente sous-classe pour refroidir les pièces travaillées
• F16L 41/06 - Installation de prises de branchement sur les parois de tuyaux, c.-à-d. établissement de dérivations sur tuyaux pendant qu'ils transportent des fluidesAccessoires à cet effet utilisant des moyens de fixation qui embrassent le tuyau
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

Provided is a fluid control device which realizes a reduction in production costs through simplification of design, manufacturing, and management processes of a flow restrictor and which is capable of providing desired controllability. This fluid control device is provided with a flow restrictor 10 that is for controlling an intratubular fluid and that is hermetically disposed, within a casing 2 fitted on the outside of a fluid tube 1 to seal the same, at a location where a part of the fluid tube 1 is severed in a state in which flow is not interrupted, wherein the flow restrictor 10 is composed of: an on-off valve 11 that comprises a valve seat body 12 having an opening 12a, and a valve element 13 provided to the valve seat body 12 so as to be capable of opening/closing the opening 12a; and a partitioning body 15 that is provided with a seal material 19 for sealing gaps between the partitioning body 15 and the interior surface of the casing 2, and that comprises a wall part 16 which has a through-hole 16a connected to the opening 12a and which is hermetically attached to the valve seat body 12, and a lid part 17 which is provided contiguously to the wall part 16 so as to cover an opening side of the casing 2.

Classes IPC  ?

• F16K 1/22 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à éléments de fermeture articulés à pivot comportant disque ou volet pivotant dont l'axe de rotation traverse le corps de soupape, p. ex. régulateurs à papillon
• F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

Provided is a fluid control device which realizes a reduction in production costs through simplification of design, manufacturing, and management processes of a flow restrictor and which is capable of providing desired controllability. This fluid control device is provided with a flow restrictor 10 that is for controlling an intratubular fluid and that is hermetically disposed, within a casing 2 fitted on the outside of a fluid tube 1 to seal the same, at a location where a part of the fluid tube 1 is severed in a state in which flow is not interrupted, wherein the flow restrictor 10 is composed of: an on-off valve 11 that comprises a valve seat body 12 having an opening 12a, and a valve element 13 provided to the valve seat body 12 so as to be capable of opening/closing the opening 12a; and a partitioning body 15 that is provided with a seal material 19 for sealing gaps between the partitioning body 15 and the interior surface of the casing 2, and that comprises a wall part 16 which has a through-hole 16a connected to the opening 12a and which is hermetically attached to the valve seat body 12, and a lid part 17 which is provided contiguously to the wall part 16 so as to cover an opening side of the casing 2.

Classes IPC  ?

• F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage
• F16K 1/22 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à éléments de fermeture articulés à pivot comportant disque ou volet pivotant dont l'axe de rotation traverse le corps de soupape, p. ex. régulateurs à papillon
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

Provided are an installation method and an installation device for a fluid control device capable of improving controllability of a fluid in a pipe by improving positional accuracy of a valve body inserted into a hole formed in a fluid pipe in a housing and decreasing the size, weight, and cost of construction equipment such as an operation valve device or an installation device of a fluid control valve. Such a method of installing a fluid control device in a continuous flow state, the fluid control device including at least a housing 5 installed in a fluid pipe 1 in a sealed state and a fluid control valve 10 having a valve housing 12 and having a valve body 11 insertable into a hole lb of the fluid pipe 1 formed in the housing 5, includes: installing, at an opening 5b formed in a neck portion 5d of the housing 5, an operation valve device 3 having an operation valve body 31 dividing the inside of the housing 5 in an openable and closeable manner; opening the operation valve body 31 while surrounding an open end portion 5c formed in the neck portion 5d in a sealed state; and inserting the fluid control valve 10 communicating with the inside of the housing 5 in a sealed state from the open end portion 5c to an installation position in which a front end of the valve housing 12 of the fluid control valve 10 exceeds the opening 5b of the neck portion 5d so that an annular sealing member 21 seals a gap between a peripheral surface of the valve housing 12 and a peripheral surface of the neck portion 5d at the installation position.

Classes IPC  ?

• F16K 27/00 - Structures des logementsMatériaux utilisés à cet effet
• F16K 43/00 - Moyens de fermeture auxiliaire des soupapes, pouvant prendre à leur compte, en cas de réparation de la soupape, p. ex. un regarnissage des rondelles, la fonction des moyens normaux de fermetureDispositifs pour le remplacement temporaire des parties de soupapes dans le même but
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

Provided is a fluid control device with which: the positioned accuracy of a hole part drilled in a fluid pipe inside a case, and a valve body inserted in the hole part is improved; the controllability of the fluid in the pipe is enhanced; and construction equipment, such as a drilling device, an installation device for a flow control valve, or an operation valve device, can be reduced in size, weight, and cost. This fluid control device has at least: a case (5) having a split structure that is externally fitted to a fluid pipe (1) in a sealed manner; and a flow control valve (10) including a valve body (11) and a valve case (12) which can be inserted into a hole section (1b) of the fluid pipe (1) drilled into the case (5) in an uninterrupted flow state. The case (5) has a head part (5d), which is provided with an open end section (5c) for installing a flow control valve (10) to the case (5), and an opening section (5b) for attaching/detaching an operation valve (3) that can open/close the inside of the case (5), wherein a first annular sealing member (21) is provided between a peripheral surface of the valve case (12) of the flow control valve (10) and a peripheral surface closer to the fluid pipe (1) than to the opening section (5b) of the head part (5d).

Classes IPC  ?

• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux
• F16K 43/00 - Moyens de fermeture auxiliaire des soupapes, pouvant prendre à leur compte, en cas de réparation de la soupape, p. ex. un regarnissage des rondelles, la fonction des moyens normaux de fermetureDispositifs pour le remplacement temporaire des parties de soupapes dans le même but
• F16L 55/105 - Obturateurs introduits radialement dans le tuyau ou la manche

Abrégé

Provided are an installation method and an installation device for a fluid control device, with which the positional accuracy of a valve body inserted into a hole formed in a fluid pipe in a case can be improved, controllability of a fluid in the pipe can be increased, construction equipment such as a flow control valve installation device and an operation valve device can be made more compact and lightweight, and the cost thereof can be reduced. In this installation method, in which a fluid control device (having at least a case 5 installed in a sealed state on a fluid pipe 1, and a flow control valve 10 equipped with a valve casing 12 and a valve body 11 that can be inserted into a hole 1b formed in the fluid pipe 1 in the case 5) is installed in a continuous flow state, an operation valve device 3 equipped with an operation valve body 31 for portioning the interior of the case 5 in an openable/closable manner is attached to an opening 5b formed in a neck portion 5d of the case 5, the operation valve body 31 is opened while an open end portion 5c formed in the neck portion 5d is surrounded in a sealable manner, and the fluid control valve 10, which communicates with the interior of the case 5 in a sealed state, is inserted from the open end portion 5c to an installation position at which the tip end of the valve casing 12 of the flow control valve 10 is inserted beyond the opening 5b of the neck portion 5d, thereby sealing the interval between the peripheral surface of the valve casing 12 and the peripheral surface of the neck portion 5d by means of an annular sealing member 21 in the installation position.

Classes IPC  ?

• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux
• F16K 27/00 - Structures des logementsMatériaux utilisés à cet effet
• F16K 43/00 - Moyens de fermeture auxiliaire des soupapes, pouvant prendre à leur compte, en cas de réparation de la soupape, p. ex. un regarnissage des rondelles, la fonction des moyens normaux de fermetureDispositifs pour le remplacement temporaire des parties de soupapes dans le même but

Abrégé

A separation preventing device that prevents separation of a fluid pipe in a pipe axis direction, includes a main body externally fitted to an outer peripheral surface of the fluid pipe and has a recess portion facing the outer peripheral surface; a locking member housed in the recess portion in a tiltable manner and is able to bite into the outer peripheral surface of the fluid pipe; and pressing units that are provided in the main body and press the locking member, wherein the locking member has a plurality of wedge portions in a front-back direction of a pipe axis of the fluid pipe, and is equipped with a projection portion that regulates biting of a front wedge portion of the plurality of wedge portions into the fluid pipe, when the fluid pipe moves to a separation side in the pipe axis direction.

Classes IPC  ?

• F16L 19/02 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé
• F16L 23/02 - Raccords à brides les brides étant raccordées par des organes tendus axialement
• F16L 23/00 - Raccords à brides
• F16L 23/024 - Raccords à brides les brides étant raccordées par des organes tendus axialement caractérisés par la façon dont les brides sont fixées ou forment une extension aux tuyaux

Abrégé

A separation preventing device that prevents separation of a fluid pipe in a pipe axis direction, includes a main body externally fitted to an outer peripheral surface of the fluid pipe and has a recess portion facing the outer peripheral surface; a locking member housed in the recess portion in a tiltable manner and is able to bite into the outer peripheral surface of the fluid pipe; a pressing member provided in the main body member and presses the locking member so as to bite into the outer peripheral surface of the fluid pipe; and an interposition member interposed between the locking member and the pressing member, wherein the interposition member is equipped with a tapered surface coming into contact with an outer surface of the locking member, and is housed in the recess portion in a state of having an acceptable movement value of a predetermined width in the pipe axis direction of the fluid pipe.

Classes IPC  ?

• F16L 19/00 - Raccords dans lesquels les surfaces d'étanchéité sont maintenues en contact par un organe, p. ex. un écrou à oreilles vissé dans, ou vissé sur une des parties du raccord
• F16L 23/02 - Raccords à brides les brides étant raccordées par des organes tendus axialement
• F16L 23/00 - Raccords à brides
• F16L 23/024 - Raccords à brides les brides étant raccordées par des organes tendus axialement caractérisés par la façon dont les brides sont fixées ou forment une extension aux tuyaux