Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1985-05-29
1986-08-05
Husar, Francis S.
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
493199, 493909, F16G 1302
Patent
active
046040846
ABSTRACT:
A thermoplastic bag structure comprising a front and rear bag wall, a bottom and an open mouth top portion, said open mouth portion being characterized by having two pairs of single film handle loops each of which are located at opposite ends of said open mouth portion, the handles of each pair being side-by-side and each handle is an integral single film loop extension of said front and rear bag walls. The bag structures can be unitized by providing a detachable tab at the bag mouth opening and unitizing the bag structures through this tab. The method of forming said bags involves providing an end sealed collapsed thermoplastic film tube and removing plastic to form a bag mouth opening and handles at one end thereof. The resulting bag is an ungussetted bag which can be unitized into a pack by providing a detachable, unitizing tab at the bag mouth opening.
REFERENCES:
patent: 3485439 (1969-12-01), Shrum
patent: 3685643 (1972-08-01), Garshels
patent: 3729361 (1973-04-01), Westlake, Jr.
patent: 4476979 (1984-10-01), Reimann et al.
patent: 4493419 (1985-01-01), Poader et al.
patent: 4529090 (1985-07-01), Pilon
Gilman M. G.
Husar Francis S.
McKillop A. J.
Mobil Oil Corporation
O'Sullivan J. P.
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