Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1978-06-30
1980-02-12
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428216, 428218, 428343, 428354, 428516, 428910, B32B 702
Patent
active
041884396
ABSTRACT:
An adhesive tape is provided which comprises a film of high density polyethylene having a density of not less than 0.94g/cc elongated at least six times only transversely to the longitudinal direction of the tape and a layer of pressure sensitive adhesive applied at least on one side of said elongated film of high density polyethylene. The adhesive tape has a high tensile strength against a force applied in a direction transverse to the longitudinal direction of the tape. Nevertheless, the tape can be easily torn or cut by user's hand or hands exactly transversely to the longitudinal direction of the tape without being torn zigzag or in a slanting direction.
REFERENCES:
patent: 3088848 (1963-05-01), Tritsch
patent: 3118534 (1964-01-01), Groff et al.
patent: 3563782 (1971-02-01), Liberman et al.
patent: 4022646 (1977-05-01), Casey
Asakura Hiroshi
Chimura Ippei
Fuse Shirou
Kaneko Yoshiyuki
Kitazume Keisuke
Herbert, Jr. Thomas J.
Sutton Paul J.
Toyo Kagaku Kabushiki Kaisha
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