Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1983-09-21
1984-07-31
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
40159, 156253, 156267, 156297, 156299, 156303, 156324, 156510, 156513, 156516, 156543, 156549, 156554, 156555, B32B 3108
Patent
active
044628544
ABSTRACT:
A process and apparatus for making a multi-pocketed album page includes means for supporting and guiding a plurality of transparent plastic strips into contacting relation with opposite surfaces of a paperboard web, the latter being moved through a predetermined path of travel. Longitudinal heat sealing means are provided for heat sealing the plastic strips to the paperboard web in a direction along the path of travel of the strips and paperboard web. Transverse heat sealing means are also provided for heat sealing the strips to opposite surfaces of the paperboard web transversely of the path of travel. Shiftable cutting or shearing means are provided for cutting the paperboard web and transparent strips, after sealing, into page size so that each page is provided with a plurality of upwardly opening transparent pockets on both surfaces thereof.
REFERENCES:
patent: 3398036 (1968-08-01), Viesters
patent: 3869820 (1975-03-01), Holson
patent: 4263357 (1981-04-01), Holson
patent: 4431470 (1984-02-01), Schubert
Irvin Donald E.
MacKay George L.
Robinson Hugh A.
Wenstrom Roger A.
Weston Caleb
William W. Holes
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