Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1996-08-01
1998-12-08
Zirker, Daniel
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
428143, 428156, 428167, 428168, 428213, 428323, 428330, B32B 712, B32B 516
Patent
active
058466517
ABSTRACT:
An adhesive tape made of polyvinyl chloride consisting essentially of a vinyl chloride resin film (hereinafter referred to as "PVC film") which contains from 5 to 60 parts by weight of inorganic fine particles having an average particle size of from 0.1 to 10 .mu.m per 100 parts by weight of the vinyl chloride resin and which has a thickness of from 50 to 200 .mu.m, and an adhesive layer formed on at least one side of PVC film, wherein a plurality of linear channels having a transverse cross section of V-shape or U-shape are formed on at least one side of the film in parallel to one another in the width direction of the adhesive tape, and, in the cross section of each channel, angles A and B which are angles of the respective opposing two inclined sides of the V-shape to the film plane, or which are angles of the tangential lines drawn at a 1/2 position in the depth of the channel on the respective opposing two curved sides of the U-shape, to the film plane, satisfy the following formulae 1 to 4:
REFERENCES:
patent: 3832267 (1974-08-01), Liu
patent: 5158557 (1992-10-01), Noreen et al.
patent: 5316825 (1994-05-01), Nakai et al.
patent: 5589246 (1996-12-01), Calhoun et al.
Arai Hirotaka
Nakai Takeyuki
Mitsubishi Chemical MKV Company
Zirker Daniel
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