Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1980-06-23
1981-04-21
Weston, Caleb
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
40159, 156 731, 156 734, 156290, 428198, B32B 310, B32B 2710, G09F 110
Patent
active
042633575
ABSTRACT:
A photographic album page comprising a fibrous centrally disposed lamina and a pair of overlying clear synthetic resinous laminae. Pockets are formed by ultrasonic sealing of the clear laminae together through the fibrous lamina which disintegrates under the generated heat of sealing. The pockets are thus formed as a continuous sealing operation at the same time the page is laminated by sealing in broken lines, whereby the fibrous lamina retains its structural integrity.
REFERENCES:
patent: 3651591 (1972-03-01), Woodyard
patent: 3666599 (1972-05-01), Obeda
patent: 4019937 (1977-04-01), Holson
Dawson Robert A.
Temko Charles E.
The Holson Company
Weston Caleb
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