Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-10-12
1990-07-03
Cannon, James C.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1562726, 1562733, 428 367, 428910, B32B 102, B32B 3112, B32B 3130
Patent
active
049388282
ABSTRACT:
A forming web comprises a first extruded polymeric film oriented to substantially the same extent in both the longitudinal and machine directions. Alternately, a high molecular weight crystalline polyolefin is blown at least to a blow-up ratio sufficient to orient the film to substantially the same extent in both the longitudinal and machine directions. A second extruded polymeric film including a layer of an oxygen barrier polymeric material may be laminated to the first film.
REFERENCES:
patent: 3560291 (1970-02-01), Foglia et al.
patent: 3773609 (1973-11-01), Haruta et al.
patent: 3840427 (1974-10-01), Brazier et al.
patent: 4386138 (1983-05-01), Arbitt
patent: 4457960 (1984-07-01), Newsome
patent: 4484971 (1984-11-01), Wang
patent: 4495027 (1985-01-01), Wagner et al.
patent: 4536365 (1985-08-01), Zwick
patent: 4684573 (1987-08-01), Mueller et al.
Mueller Walter B.
Schirmer Henry G.
Cannon James C.
Lee, Jr. William D.
Quatt Mark B.
Toney John J.
W. R. Grace & Co.,-Conn.
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