Apparatus for manufacturing easy-to open synthetic resin bag

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Indefinite or running length flexible strand – rod – tube – or...

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156176, 156179, 156250, 156510, 156513, 156514, 53133, 53412, 206616, 493930, B32B 3118

Patent

active

047253290

ABSTRACT:
An apparatus for manufacturing easy-to-open bags comprising a pair of feed rollers, at least one puncher disposed downstream of said feed rollers, upper and lower separating rollers disposed downstream of said puncher, tear string positioning member disposed downstream of said separating rollers, heat bonding means disposed downstream of tear string positioning means, bag making means disposed downstream of said heat bonding means and cutting means disposed downstream of said bag making means.

REFERENCES:
patent: 3266965 (1966-08-01), Spees
patent: 3283672 (1966-11-01), Mueller
patent: 3499260 (1970-03-01), Forman
patent: 4629071 (1986-12-01), Tani

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