Package making – Register control
Patent
1999-03-18
2000-09-26
Sipos, John
Package making
Register control
53 64, 53550, 53553, 533714, B65B 902, B65B 5702
Patent
active
06122894&
ABSTRACT:
An apparatus for making a wrapper for a product comprises: a feed device; an area for unwinding a web of heat-sealable paper; a station for feeding products which continuously receives and feeds out a first web of paper while placing the products on the web in succession and spaced equally apart; a station for feeding a second web of heat-sealable paper, where the second web of paper, fed by the feed device, is laid over the products and moves along continuously together with the first web of paper below it; a sealing station where the two webs of paper are joined crossways and lengthways to form a chain of closed wrappers, each containing a product. The apparatus comprises a single pair of feed rollers equipped with sealing elements and means for automatically detecting and correcting the misalignment of the sealing elements relative to the webs of paper by causing the rollers and the webs of paper to slip relative to each other.
REFERENCES:
patent: 2871639 (1959-02-01), Forgo
patent: 3140572 (1964-07-01), Petersen et al.
patent: 4009551 (1977-03-01), Greenawalt et al.
patent: 4566253 (1986-01-01), Jones
patent: 5197262 (1993-03-01), Katz et al.
Sipos John
Tecnomeccanica S.r.l.
LandOfFree
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