Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Patent
1976-08-02
1977-05-24
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
156583, B32B 3100, B30B 1534
Patent
active
040253830
ABSTRACT:
Apparatus for forming bags of desired length from flattened plastic tubular stock material and subsequently sealing them at the open end thereof. The apparatus includes housing means having supporting means within the housing means for rotatably mounting a supply roll of the flattened stock material, with guide means in vertically spaced relationship to the supporting means cooperating with advancing means including a pair of rollers for engagement with the stock within the housing means in vertically spaced apart relationship to said guide means. Base means and heat sealing means form a pair of transversely extending seals. Dual cutting means cuts the bag to any desired length and a vertical slot between the seams is formed as a pouch for inserting a label to identify the contents. The apparatus also includes means to seal the open end of the bag with the contents therein.
REFERENCES:
patent: 3092018 (1963-06-01), Turner
patent: 3196067 (1965-07-01), Techtmann
patent: 3671357 (1972-06-01), Trouichet
patent: 3764434 (1973-10-01), Bridenstine
patent: 3847712 (1974-11-01), Hubbard
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