Reciprocating folder for packaging machines

Details Reciprocating folder for packaging machines Reciprocating folder for packaging machines

1985-05-02

1986-03-11

Sipos, John

Package making

Means to open or erect receptacle

Means to open envelope

53226, 53228, 53234, B65B 4908, B65B 4916

Patent

active

045745625

ABSTRACT:
The invention relates to the reciprocating folders (6) used in packaging machines, packing machines and the like, particularly in cellophane wrapping machines, for folding on one side (103) of an article (3) to be packaged an edge (104) of a sheet (4) or slip of wrapping material, particularly of a material which is not much rigid and/or is easily charged with static electricity. According to the invention, for preventing the folder (6) from dragging along, during its return stroke, the folded edge (104) of the sheet (4) or slip, one or more blowing nozzles (9,109) are provided, and are oriented and arranged in such a manner that an air layer is generated between the folder (6) and the folded edge (104) of the sheet (4) or slip.

REFERENCES:
patent: 2081626 (1937-05-01), Hayward
patent: 2949001 (1960-08-01), Zwarycz
patent: 3468097 (1969-09-01), Mack
patent: 3619977 (1971-11-01), Theys et al.
patent: 3808767 (1974-05-01), Reid
patent: 4483125 (1984-11-01), Suga

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