Stretcher roller

Details Stretcher roller Stretcher roller

2000-03-28

2000-11-14

Vanatta, Amy B.

Textiles: cloth finishing

Expanding device for textile webs

Spreader

26105, 492 35, D06C 306

Patent

active

061451746

ABSTRACT:
A stretcher roller for spreading out moving flexible strip material such as for example plastics film, paper or textiles, has a cylindrical outer surface of elastomeric material, with inclined incisions which are separated from one another by webs. The transition from the surface into an incision which makes an included angle of less than 90.degree. is of rounded or chamfered form. In this way a sharp-edged transition from the surface into the incision in question is avoided. Such sharp edges can damage the strip material if it enters the incision, which is particularly likely at the ends of the roller. The rounded transition avoids this damage.

REFERENCES:
patent: 1435712 (1922-11-01), Livesey
patent: 1563704 (1925-01-01), Greis
patent: 1716555 (1929-06-01), Kane
patent: 3332131 (1967-07-01), Weiler
patent: 3374648 (1968-03-01), Maguire
patent: 3528145 (1970-09-01), Troope et al.
patent: 3545054 (1970-12-01), Sando et al.
patent: 4566162 (1986-01-01), Brands
patent: 4872246 (1989-10-01), Yano
patent: 5188273 (1993-02-01), Schmoock
patent: 5455992 (1995-10-01), Kurschatke et al.

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