Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1977-11-09
1979-02-13
Pianalto, Bernard D.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428219, 428220, 428343, B32B 328, B32B 330
Patent
active
041396693
ABSTRACT:
A hand tearable plastic adhesive tape having transverse striations on the front face thereof with the total thickness of the tape ranging from 0.05 to 0.3 mm, the depth of striations ranging from 0.015 to 0.125 mm, the width of the striations ranging from 0.06 to 0.5 mm, the pitch of striations ranging from 0.06 to 0.5 mm, the pitch of striations ranging from 0.1 to 8 mm with the cross-sectional shape of the striations being V or U like.
REFERENCES:
patent: 3115417 (1963-12-01), Christensen
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