Package making – Apparatus for contraction of cover by stretching or shrinking – By heat shrinking
Patent
1981-07-08
1984-03-06
Culver, Horace M.
Package making
Apparatus for contraction of cover by stretching or shrinking
By heat shrinking
B65B 5506, B65B 3550
Patent
active
044346034
ABSTRACT:
The invention relates to a plant for producing pallet-less stacks of bundles and particularly sacks around which is shrunk a sheet with which the bundle is palleted, the bundle stack is provided with a first cover sheet and is covered with a sheet covering, the packing sheet is shrunk, the stack is rotated by 180.degree., is provided with a second top sheet, which is in turn shrunk and at the end of the plant the sheet-wrapped pallet loads are accumulated in such a way that one or more loads can simultaneously be removed transversely to the stack conveying direction leading to sheet-wrapped bundle stacks with perfectly formed free spaces in the vicinity of the stack base surface for the engagement of conveying and lifting mechanisms.
REFERENCES:
patent: 3640048 (1972-02-01), Zelnick et al.
patent: 3995410 (1976-12-01), Berghgracht
patent: 4060957 (1977-12-01), Birkenfeld et al.
patent: 4258533 (1981-03-01), Aka et al.
Bernhard Beumer Maschinenfabrik KG
Culver Horace M.
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