Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Means feeding fluent stock under pressure
Patent
1977-07-21
1979-01-02
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Product or preform repair or restoring means
Means feeding fluent stock under pressure
156 94, 156382, 425405R, 425 12, 264 36, B32B 3500, B29C 1100
Patent
active
041325168
ABSTRACT:
An apparatus is disclosed for repairing damage to a glass or plastic surface such as a safety glass windshield. The apparatus includes a substantially flat body member made of a flexible or rigid and transparent material. A disposable resilient intermediate member such as a paper product is provided with a generally central cut out region. The intermediate member is glued between the glass surface and the body member forming a cavity in the cut out region defined by the body member, the intermediate member and the glass surface. Access conduit through the body member enables insertion of a repair material into the cavity. A compressor and a vacuum pump are respectively connected by a first and a second valve to the access conduit for subsequently applying alternate vacuum and pressure to force the repair material into the damage in the glass surface. The intermediate member may then be removed from the glass surface. This abstract is a resume of one application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
patent: 3202732 (1965-08-01), Braun et al.
patent: 3837965 (1974-09-01), Maliou et al.
patent: 3993520 (1976-11-01), Werner et al.
patent: 4032272 (1977-06-01), Miller
patent: 4047863 (1977-09-01), McCluskey et al.
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