Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent
1981-12-02
1983-10-04
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Hollow or container type article
Cellular material derived from plant or animal source
428200, 428201, 428204, 428207, 428209, 428332, 428336, 428344, 428347, 428349, 428354, 428458, 428463, 428913, 428922, B65D 2718, B32B 310, B32B 1508
Patent
active
044078722
ABSTRACT:
The sheet material for packaging electronic parts consists of a laminated material which comprises a transparent plastic film layer and a thin metal film layer having a light transmittance of at least 25% and an electric resistance of less than 10.sup.8 ohms/cm.sup.2. The sheet material is heat-sealable at the surface of said metal film layer. An envelope for packaging electronic parts is made of the sheet material by heat-sealing in a state of disposing the plastic film layer outside.
REFERENCES:
patent: 4154344 (1979-05-01), Yenni, Jr. et al.
patent: 4156751 (1979-05-01), Yenni, Jr. et al.
patent: 4329395 (1982-05-01), Pickford
Herbert, Jr. Thomas J.
Ricoh Co. Ltd.
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