Tenter-type stretcher having means for detecting clip obstructio

Details Tenter-type stretcher having means for detecting clip obstructio Tenter-type stretcher having means for detecting clip obstructio

1991-10-02

1992-11-03

Schroeder, Werner H.

Textiles: cloth finishing

Expanding device for textile webs

Spreader

D06C 304

Patent

active

051597330

ABSTRACT:
An improved tenter-type stretcher comprises a pair of rails which diverge from one another, a plurality of clips carried in endless chains along the rails and a device for detecting obstructions in the tenter clips, wherein the detecting device is either a mechanical arm positioned to contact and move upon encountering foreign matter in the clips or a light beam which traverses the clips, and is interrupted by foreign matter in the clips.

REFERENCES:
patent: 663528 (1900-12-01), Whiteley et al.
patent: 880946 (1908-03-01), Whitley
patent: 2312182 (1943-02-01), Meyer
patent: 3071157 (1963-01-01), Robertson et al.
patent: 3789975 (1974-02-01), Ida et al.
patent: 4176429 (1979-12-01), Rottensteiner
patent: 4879788 (1989-11-01), Suzuki et al.
Japanese unexamined patent application 62-212,126 Abstract attached.
Japanese unexamined patent application 61-140,447 Abstract attached.

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