Package making – Methods – Applying a partial cover
Patent
1987-06-15
1988-02-23
Sipos, John
Package making
Methods
Applying a partial cover
53441, 53449, 53556, 53586, 53587, 53176, B65B 1104, B65B 1108, B65B 1158
Patent
active
047261722
ABSTRACT:
A conveyor for an article extends between two parallel rolls of stretch film (22, 22') to a turntable (40). The sheets of stretch film (24, 24') on the two rolls are joined together to form a curtain of stretch film. The article is brought into contact with the curtain and the sheets of film are joined together to form a sleeve out of the curtain around the article, thus securing the sheets to the article. The turntable is then rotated, thus winding the sheets several turns around the article. The sheets are then joined to form a new curtain of stretch film, after which the sheets are severed, releasing the wrapped article from this curtain.
REFERENCES:
patent: 4413463 (1983-11-01), Lancaster
patent: 4563857 (1986-01-01), Bergling
New Pac Systems AB
Sipos John
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