Wrapping machines with film

Details Wrapping machines with film Wrapping machines with film

1993-06-10

1995-06-27

Bray, W. Donald

Package making

Means to feed cover material

Continuous web cover material

533891, 53396, 53461, 53450, B65B 4100

Patent

active

054269130

ABSTRACT:
The present invention relates to machines used to wrap objects or articles using a film sheet obtained from a reel. This machine uses a mechanism that adjusts to and fro movement of a connecting rod thereby limiting the length of the film to be used for wrapping the article or product. This mechanism includes a connecting rod (6) capable of to and fro movement in response to the swinging movement of a lever (1) that is set off by a cam (2). The connecting rod (6) has a lateral part (8) with a pulley wheel (9) that runs along a groove (10) within a guide (11). The guide has an articulation (12) that is jointed to the chassis (13) of the machine, in such a way that an adjustment in a swinging position of the guide (11) limits the to and fro movement of the connecting rod (6) and thus the mechanism connected to the connecting rod will carry on the drive and sectioning of the film to be used as a wrapper.

REFERENCES:
patent: 5317856 (1994-06-01), Hanai

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