Rough-surfaced interlayer

Details Rough-surfaced interlayer Rough-surfaced interlayer

1994-01-24

1995-10-03

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428212, 156102, 156209, B32B 328, C03C 2700

Patent

active

054551030

ABSTRACT:
A thermoplastic interlayer, such as of polyvinyl butyral, has a regular pattern of deairing channels formed in each side which are angularly arranged with respect to each other wherein, to avoid moire, the angle of intersection is at least 25 degrees, preferably 90 degrees.

REFERENCES:
patent: 4112166 (1978-09-01), Chyu
patent: 4135023 (1979-01-01), Lloyd et al.
patent: 4397246 (1983-08-01), Ishida et al.
patent: 4452840 (1984-06-01), Sato et al.
patent: 4455337 (1984-06-01), Lloyd et al.
patent: 4868940 (1989-09-01), Masadi
patent: 4925725 (1990-05-01), Endo et al.

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