Abrégé

This method involves the steps consisting in: a) paying out a strip (1) of synthetic filter medium having two longitudinal edges (2, 3) and guiding it in a feed direction, b) making a plurality of score lines (6) on the strip (1) in a direction transverse to the longitudinal edges (2, 3), c) raising the temperature of two longitudinal zones (8, 9) each located near a longitudinal edge (2, 3) of the strip (1) so as to cause same to melt, and d) folding the strip (1) of filter medium along each score line (6) so that a portion of a longitudinal zone (8, 9) positioned upstream of a score line (6) in the direction of feed of the strip (1) of filter medium is welded to a portion of a longitudinal zone (8, 9) positioned downstream of this score line (6). The invention also targets a device (200) for implementing the method as described hereinabove and a filter (100) for a motor vehicle.

Classes IPC  ?

• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p. ex. appareils de précipitation de poussières
• B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p. ex. appareils de précipitation de poussières

Abrégé

A polypropylene resin-based formulation comprising the following constituents: -between 50 and 90 parts by weight of a propylene/ethylene copolymer, -between 9 and 20 parts by weight of a mixture of mineral fillers comprising 40 to 80% of talc and 20 to 60% of fillers of the group comprising microspheres, fibres and microtalcs, -between 0.1 and 10 parts by weight of a blowing agent, wherein the parts by weight of the various constituents of the formulation are chosen such that the sum is 100 parts by weight, the formulation having a melt flow rate MFR of between 0 g/10 min and 200 g/10 min and a density before expansion of the blowing agent of between 0.95 g/cm3 and 1 g/cm3.

Classes IPC  ?

• C08J 9/00 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement
• B29C 44/08 - Moulage par pression interne engendrée dans la matière, p. ex. par gonflage ou par moussage pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés en plusieurs étapes d'expansion
• C08L 23/14 - Copolymères du propylène

Abrégé

The invention relates to a device (1) for controlling the flow rate of a coolant (2) of an engine, including a frame (3) in which two chambers (4, 5) delimited by a partition (6) are arranged, the two chambers (4, 5) communicating via a pipe (7), a valve (8) capable of penetrating into the pipe (7), and a thermostat (13), characterised in that the device (1) comprises a means for guiding the valve (8) in translation relative to the pipe (7), and in that the valve (8) and the thermostat (13) are connected by a planar linkage means.

Classes IPC  ?

• F16K 31/00 - Moyens de fonctionnementDispositifs de retour à la position de repos
• F01P 7/16 - Commande du débit de l'agent de refroidissement l'agent de refroidissement étant un liquide par commande thermostatique

Abrégé

The sump comprises: a lower shell (2) comprising an element that forms a lower portion (20) of a suction strainer, the lower shell and the said element being produced as a single piece by moulding or by casting; an upper shell (1) comprising an element forming an upper portion (21) of the suction strainer, and a wall forming an anti-emulsion plate (15), the upper shell, the said element and the anti-emulsion plate being produced as a single piece by moulding or by casting. The shells are assembled with one another in a fluid tight fashion to form a rigid casing, the lower portion and the upper portion of the suction strainer being, when the shells are assembled, assembled with one another with a grating (3) interposed between them so as to form a suction strainer that allows oil to be drawn up towards the engine.

Classes IPC  ?

• F01M 11/00 - Parties constitutives, détails ou accessoires non couverts par les groupes ou présentant un intérêt autre que celui visé par ces groupes

Abrégé

The self-supporting porous soundproofing and thermally insulating product (5) comprises fibres (2) constituting the fibrous network and reinforcing fibres (2) which are entangled with mineral particles (1), these fibres and particles being amalgamated by bonding means (3), so as to make it possible for the product to be self-supporting and provide thermal protection and to provide acoustic absorption or insulation, or a combination of the two functions. The complex comprises this product (5) and at least one additional layer, such as a fibrous spring layer, an impermeable or controlled-porosity layer or a visual-appearance, soundproofing or thermal-insulation layer.

Classes IPC  ?

• G10K 11/165 - Sélection de matériaux de particules dans une matrice

Abrégé

Disclosed is a soundproofing material comprising a filler, reinforcement fibers entangled with polymer particles (5), and hot-melt binder fibers (6) which amalgamate the polymer particles (5) with the filler and the reinforcement fibers. Said soundproofing material can be used particularly for soundproofing automobiles and can, for example, be shaped into a timing case, oil pan noise insulation, engine block noise insulation, engine cover.

Classes IPC  ?

• G10K 11/165 - Sélection de matériaux de particules dans une matrice