Machine and method for inserting sheets into envelopes

Details Machine and method for inserting sheets into envelopes Machine and method for inserting sheets into envelopes

2004-12-28

2008-10-21

Truong, Thanh K (Department: 3721)

Package making

Apparatus for forming or partially forming receptacle and...

Forming by opening or setting up collapsed receptacle

C053S284300, C053S381700, C053S473000

Reexamination Certificate

active

07437862

ABSTRACT:
An inserting machine with an assembly (7) for unfolding a flap (8) of an envelope (9), including: a scraper (20) with a sharp scraping end (21) and an envelope carrier (23-26) as well as a drive (27, 29) for moving the holder portion (18) and the scraper (20) relative to each other, such that the holder portion (18) with the fold edge (17) in trailing position scrapes along the scraping end (21), the scraper (20) scrapes the flap (8) in the area of its free edge (19) off the holder portion (18), and pivots the flap (8) open about the fold edge (17). The scraping end (21) moves along a circulation path (30), of which a first portion (31) extends in a direction towards the fold edge (17) over the holder portion (18) of the envelope (9) and of which a second, contiguous portion (32) diverges from the holder portion (18) of the envelope (9).

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