Stock material or miscellaneous articles – Sheet facing and longitudinally noncoextensive with web or...
Patent
1988-07-25
1990-05-29
Thomas, Alexander S.
Stock material or miscellaneous articles
Sheet facing and longitudinally noncoextensive with web or...
428347, 428352, 428354, C09J 702
Patent
active
049294865
ABSTRACT:
A cover tape for sealing chips in chip-holding parts of a carrier tape having said parts provided discontinuously and longitudinally of said carrier tape, which cover tape comprises a base tape, an adhesive layer formed on one surface of said base tape and a non-adhesive coat formed on said adhesive layer along the longitudinal direction of said base tape so that said non-adhesive coat has a width broader than that of the chips and narrower than that of said adhesive layer. When the cover tape is used in combination with the carrier tape, the chip-holding parts are sealed by the cover tape having the non-adhesive coat and in consequence the chips held in the chip-holding parts do not come in contact with the adhesive layer although they might come in contact with the non-adhesive coat. Accordingly, the chips are not stained by the adhesive in the adhesive layer.
REFERENCES:
patent: 2307406 (1943-01-01), Howard
patent: 2565509 (1951-08-01), Marcin
patent: 2829073 (1958-04-01), Williams
patent: 3608711 (1971-09-01), Wiesler et al.
patent: 3780856 (1973-12-01), Braverman
patent: 4211329 (1980-07-01), Braverman
Ebe Kazuyoshi
Itou Kazumi
Minagawa Toshio
FSK Kabushiki Kaisha
Thomas Alexander S.
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