Package making – Progressively seamed cover web or web folds – With closing of web between package units
Patent
1981-11-12
1984-08-21
Culver, Horace M.
Package making
Progressively seamed cover web or web folds
With closing of web between package units
53329, 53371, 156515, 156553, B65B 902
Patent
active
044662289
ABSTRACT:
A method and apparatus are provided for producing packages and particularly substantially wrinkle-free packages from strips of cohesive-coated media. A first strip having a coating of cohesive material facing upwardly is advanced along a supporting surface. After an object to be packaged is deposited thereon, a second strip having a coating of cohesive material facing downwardly is moved over the first strip and the object. The strips are then sealed along an elongate, transverse area in front of the newly-deposited object and behind a previously-deposited one. Subsequently, longitudinal edge portions of both strips are sealed along both sides of the object. As the strip is further advanced, the transverse area is severed along an intermediate line to separate a leading package containing the previously-deposited object from a leading portion of the strips containing the newly-deposited object.
REFERENCES:
patent: 2443327 (1948-06-01), Salfisberg
patent: 2486759 (1949-11-01), Pfeiffer
patent: 2549122 (1951-04-01), Osterhof
patent: 2737764 (1956-03-01), Lewis
patent: 3229442 (1966-01-01), Gram
patent: 3254471 (1966-06-01), Morham et al.
patent: 3552088 (1971-01-01), Niwa
patent: 4106265 (1978-08-01), Aterianus
patent: 4164833 (1979-08-01), Todd
Culver Horace M.
Gutchess, Jr. Allen D.
L. C. Gess, Inc.
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