Apparatus for making envelopes with broad or pointed closures fr

Details Apparatus for making envelopes with broad or pointed closures fr Apparatus for making envelopes with broad or pointed closures fr

1974-02-28

1976-02-03

Coan, James F.

93 62, B31B 1902

Patent

active

039357996

ABSTRACT:
Blanks removed from a paper web are cut for the making of card envelopes with a printed closure or for the making of so-called banker envelopes with a broad closure. Blanks cut for the making of card envelopes must be turned in their plane before being conveyed for the following processing. The apparatus for turning the blanks includes a turntable with suction air bores, segmented rollers, a belt acting as a slideway and conveying chains.

REFERENCES:
patent: 1123617 (1915-01-01), Stone
patent: 2056336 (1936-10-01), Wolff
patent: 2920539 (1960-01-01), Doetsch

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