Vacuum diaphragm device

Details Vacuum diaphragm device Vacuum diaphragm device

1987-09-28

1989-04-18

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

220378, 269 21, 425389, 428 81, 428 3692, B25B 1100

Patent

active

048226513

ABSTRACT:
A bonding apparatus for vacuum bagging is disclosed comprising a base having a top surface provided with an outer peripheral vacuum manifold, a diaphragm having a top member and side walls adapted for placement on the base and in conjunction therewith defining a chamber encompassing a work piece; one or more evacuation ports formed in the base or the diaphragm adapted for connection to a vacuum source whereby the chamber may be evacuated of ambient atmosphere to form a vacuum therein; and an edge member associated with the side walls, including a solid, conformable seal adapted to seal the vacuum manifold and to provide at least a primary seal thereagainst. In one embodiment, intended for autoclaving applications, a seal providing both primary and secondary sealing is disclosed. The diaphragm, edge member and seal preferably comprise an elastomeric material.

REFERENCES:
patent: 3161925 (1964-12-01), Bertolini
patent: 3701452 (1972-10-01), Tonn
patent: 4280804 (1981-07-01), Holland
patent: 4287015 (1981-09-01), Danner, Jr.
patent: 4554036 (1985-11-01), Newsom
patent: 4715805 (1987-12-01), Nasu

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