Foil stretching machine for shrinking foils

Details Foil stretching machine for shrinking foils Foil stretching machine for shrinking foils

1992-07-16

1995-02-21

Crowder, Clifford D.

Textiles: cloth finishing

Expanding device for textile webs

Spreader

26 72, 26 86, D06C 300

Patent

active

053903986

ABSTRACT:
A film stretching machine is also capable of shrinking undulating film by gripping film to be treated at its longitudinal edges by pivotable clips which are disposed spaced apart on a chain conveyor and are guided in a chain conveyor guide. The film is shrunk by a longitudinal adjustment of the film areas lying between the gripping members of neighboring clips. In the apparatus, the longitudinal adjustment or shrinking occurs in that each clip is constructed as a pivoting clip and includes a rolling part on which the gripping part is mounted so as to be pivotable about an axis which is disposed parallel to the film plane.

REFERENCES:
patent: 4637103 (1987-01-01), Hutzenlaub
patent: 4890365 (1990-01-01), Langer
patent: 5081750 (1992-01-01), Molz
patent: 5267378 (1993-12-01), Wellenhofer et al.

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