Tractor feed box and multiple envelope method of manufacture and

Details Tractor feed box and multiple envelope method of manufacture and Tractor feed box and multiple envelope method of manufacture and

1993-03-29

1995-04-25

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493220, 493248, B31B 4500

Patent

active

054094410

ABSTRACT:
A gusseted envelope or box making apparatus and method including the use of a tractor feed unit (11) which perforates the web stock (5) prior to a subsequent printing step. A thermal print head (61) precisely activates thermal ribbon (57) which is accurately registered with the web (5) by means of pin feed holes (16,17). A product conveyor (74) manipulates the product (75) so as to automatically load the box or envelope (69) thus manufactured and printed. A multipart form (141) is disclosed including a continuous envelope (167), return reply envelope (173) and enclosed coupon (166) which may all be imprinted with unique customer information (161). The complete form (141) is folded and inserted into a parent envelope (167) by a series of vacuum plates (376) and insertion rams (392).

REFERENCES:
patent: 3845696 (1974-11-01), Long
patent: 4062025 (1977-12-01), Spence-Bate
patent: 4102251 (1978-07-01), Steidinger
patent: 4154640 (1979-05-01), Kenworthy
patent: 4175478 (1979-11-01), Tripler
patent: 4260444 (1981-04-01), Fowler
patent: 4380446 (1983-04-01), Dickson
patent: 4726804 (1988-02-01), Stitcher
patent: 4915679 (1990-04-01), Gotou
patent: 4917010 (1990-04-01), Gilham
patent: 5041070 (1991-08-01), Blaser

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