Textiles: cloth finishing – Stretching or spreading and working
Reexamination Certificate
2005-12-13
2005-12-13
Vanatta, A. (Department: 3765)
Textiles: cloth finishing
Stretching or spreading and working
C026S071000, C026S099000
Reexamination Certificate
active
06973702
ABSTRACT:
This invention provides a web expander comprising means for carrying a web2having longitudinal slits, means5for expanding the width of the web, and opening control means6for uniformly forming size and form of openings of the web expanded by said means for expanding. The means5for expanding the width consists of a flat expander15and two pairs of cloth guider21,and opening control means6comprises two expander rolls31as a rotatable ribbed roll, the ribbed roll being adapted to be applied to one side of the traveling net-like web to rotate in the direction in which the net-like web2is reduced in width.
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Bucknam and Archer
Nippon Petrochemical Co., Ltd.
Vanatta A.
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