Embossed vacuum bag, methods for producing and using said bag

Details Embossed vacuum bag, methods for producing and using said bag Embossed vacuum bag, methods for producing and using said bag

1991-02-11

1992-07-14

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

Reshaping means utilizing fluid pressure directly contacting...

425388, 428156, 428167, 428172, 156286, 249 82, 249127, 249155, 249 60, 264511, 264313, 264258, B29C 4318, B29C 4356

Patent

active

051298139

ABSTRACT:
A vacuum bag including a non-porous material having impressed therein a three-dimensional pattern which defines a plurality of interconnected channels, methods for producing the vacuum bag, molding methods using the vacuum bag, and improved composite articles produced by the molding method, are disclosed.

REFERENCES:
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patent: 3309450 (1967-03-01), Rodgers
patent: 3311517 (1967-03-01), Keslar et al.
patent: 3703422 (1972-11-01), Yoshino
patent: 4311661 (1982-01-01), Palmer
patent: 4562033 (1985-12-01), Johnson et al.
patent: 4873044 (1989-10-01), Epel
patent: 4942013 (1990-07-01), Palmer et al.
patent: 4975311 (1990-12-01), Lindgren

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