Title: Non-knifing plastic adhesive tape for packaging and sealing purpose

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.

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Inventors: Chang, Chow M.

Application Number: 849816
Filing Date: 1977-11-09
Publication_date: 1979-02-13
Assignee:
Primary Class(es): 428/167 428/43, 428/219, 428/220, 428/343
Other Classes:
US Patent Ref:

3115417

Dec, 1963

Christensen

117/33.

Other Refs:
Primary Examiner: Pianalto, Bernard D.
Assistant Examiner:
Attorney: Ladas, Parry, Von Gehr, Goldsmith & Deschamps