Film made from a weldable polymer material with projections

Details Film made from a weldable polymer material with projections Film made from a weldable polymer material with projections

1988-10-14

1989-12-05

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428141, 428147, 428206, 428402, 428327, 428179, B32B 2740

Patent

active

048852015

ABSTRACT:
A film made from a weldable polymer material with projections. The projections are formed by particles which are applied, in particular sprayed, in the molten state onto the film surface. The welding factor is preferably significantly below 1.

REFERENCES:
patent: 2793136 (1957-05-01), Root
patent: 4239797 (1980-12-01), Sachs
patent: 4488918 (1984-12-01), Jofs
patent: 4501783 (1985-02-01), Hiragami et al.
patent: 4543106 (1985-09-01), Parekh
patent: 4608287 (1986-08-01), Biotteau

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