B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/12 (2006.01) B29C 51/12 (2006.01) B29C 51/20 (2006.01) B29C 70/46 (2006.01)
Patent
CA 2593519
A tool for manufacturing a part made of a sheet of thermoplastic material comprises a female die and a male die. The female die has a cavity, whose wall has a bottom portion and a top portion. The male die has a backing structure, a support attached to the backing structure and a heat-resistant bladder. The bladder has an inlet for connection with a source of compressed fluid. The support is used to support the bladder. The male die further comprises a base attached to the bladder. The base is deformable so as to enter the cavity of the female die. The bladder is adapted to apply a pressure substantially perpendicular to the cavity wall. The base is adapted and positioned to deform the thermoplastic sheet upon entering the cavity by making the thermoplastic sheet first contact the bottom portion of the wall. The bladder expends while applying a pressure on the thermoplastic sheet against the wall from the bottom portion to the top portion. A method of manufacturing a part made of a sheet of thermoplastic material comprises the step of applying pressure on the thermoplastic sheet against a wall of a female die from a bottom of the female die to a splitting line of the female die by inflating a deformable portion of a male die. A composite part comprises a sheet of fiber-reinforced thermoplastic material and a sheet of non-reinforced thermoplastic material attached together. Both sheets are deformed substantially differently along different axes.
Gagnon Jonathan
Grenier Marc
Levesque Martin
Benoit & Cote Associes Inc.
Marquez Transtech Ltee
LandOfFree
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