Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1979-05-09
1981-05-12
Silverman, Stanley S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428182, 428183, 428186, 428198, 428339, B32B 330
Patent
active
042672236
ABSTRACT:
Method and machine for fabricating plasticboard wherein areas of bonding are created with localized heating and pressure.
REFERENCES:
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patent: 2949066 (1960-08-01), Bombard
patent: 3603219 (1971-09-01), Hallis, Jr.
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patent: 3741857 (1973-06-01), Kakutani
patent: 3811987 (1974-05-01), Wilkinson
patent: 3837973 (1974-09-01), Asakura et al.
patent: 3961119 (1976-06-01), Thomas
Boone David E.
Magidson William H.
McClain William T.
Silverman Stanley S.
Standard Oil Company (Indiana)
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