Cutting stretched interlayer sheeting

Details Cutting stretched interlayer sheeting Cutting stretched interlayer sheeting

1977-07-08

1979-11-13

Lowe, James B.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

2421101, 264159, 264160, 264292, B29C 1714, B26D 328

Patent

active

041740769

ABSTRACT:
This invention involves cutting a series of individual sheets of thermoplastic interlayer material into a selected trapezoidal shape of adjustable length and shape by winding a continuous ribbon of said material on an adjustable mandrel and cutting the continuous ribbon while mounted on the mandrel properly adjusted. The adjustable mandrel of this invention comprises means for independently adjusting the diameter or circumference of its opposite axial end portions so as to ensure that the plies of said material wound onto said mandrel are cut into trapezoidal shapes of the proper length and outline shape by one or more simple cuts parallel to the axis on which the mandrel is mounted for rotation.

REFERENCES:
patent: 2700007 (1955-01-01), Dennison et al.
patent: 2817117 (1957-12-01), Shields et al.
patent: 2933759 (1960-04-01), Startzell
patent: 2937407 (1960-05-01), Richardson
patent: 3467332 (1969-09-01), Bachman
patent: 3696182 (1972-10-01), Stark et al.

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