|
|
Résultats pour
 brevets
1.
|
APPARATUS FOR REMOVABLE INSERTION INTO AN EXCAVATED TRENCH TO PROTECT WORKER AGAINST COLLAPSE OF TRENCH WALL
| Numéro de document |
03037938 |
| Statut |
En instance |
| Date de dépôt |
2019-03-25 |
| Date de disponibilité au public |
2020-09-25 |
| Propriétaire |
ISAAC, KIRBY W. (Canada)
|
| Inventeur(s) |
Isaac, Kirby W.
|
Abrégé
An apparatus for removable insertion into an excavated trench to protect a worker against collapse of the trench wall, which is often termed in industry as a trench shield or cage or box, comprises cross members interconnecting opposite sides of a protective peripheral wall that are in the form of rounded annuluses. Additional members are provided to interconnect adjacent pairs of annuli which are spaced one from the other in a height direction of the wall. This forms an interconnected internal frame of the apparatus which primarily provides compressive strength of the apparatus against collapsing of the trench wall instead of the protective wall so that the protective wall may be made to be lighter in terms of mass. Further, the protective peripheral wall forms a tube substantially fully enclosing a working area defined by the wall.
Classes IPC ?
- E02D 17/08 - Aménagement des bords ou consolidation des parois des fossés ou puits de fondation
- E02F 5/30 - Dispositifs annexes, p.ex. pour dégeler, défoncer, faire éclater, ou pour d'autres traitements préparatoires du sol
- E02F 7/00 - Matériel pour transporter ou séparer les déblais
- E02F 9/24 - Dispositifs de sécurité
|
2.
|
APPARATUS FOR REMOVABLE INSERTION INTO AN EXCAVATED TRENCH TO PROTECT WORKER AGAINST COLLAPSE OF TRENCH WALL
| Numéro de document |
03064755 |
| Statut |
En instance |
| Date de dépôt |
2019-12-12 |
| Date de disponibilité au public |
2020-09-25 |
| Propriétaire |
ISAAC, KIRBY W. (Canada)
|
| Inventeur(s) |
Isaac, Kirby W.
|
Abrégé
An apparatus for removable insertion into an excavated trench to protect a worker against collapse of the trench wall, which is often termed in industry as a trench shield or cage or box, comprises cross members interconnecting opposite sides of a protective peripheral wall that are in the form of rounded annuluses. Additional members are provided to interconnect adjacent pairs of annuli which are spaced one from the other in a height direction of the wall. This forms an interconnected internal frame of the apparatus which primarily provides compressive strength of the apparatus against collapsing of the trench wall instead of the protective wall so that the protective wall may be made to be lighter in terms of mass. Further, the protective peripheral wall forms a tube substantially fully enclosing a working area defined by the wall.
Classes IPC ?
- E02D 17/08 - Aménagement des bords ou consolidation des parois des fossés ou puits de fondation
- E02F 5/30 - Dispositifs annexes, p.ex. pour dégeler, défoncer, faire éclater, ou pour d'autres traitements préparatoires du sol
- E02F 7/00 - Matériel pour transporter ou séparer les déblais
- E02F 9/24 - Dispositifs de sécurité
|
|