Textiles: cloth finishing – Stretching or spreading and working – Weft angle adjusting
Patent
1982-09-07
1985-11-26
Mackey, Robert R.
Textiles: cloth finishing
Stretching or spreading and working
Weft angle adjusting
26 72, 26 74, 4253021, 425366, B29C 1702, B29D 724
Patent
active
045547130
ABSTRACT:
Differentially stretched plastic with a dyed border along one side suitable for shaded interlayers of laminated windshields moves in an arcuate path away from a frustoconical roll of a continuously operating differential web stretcher toward an intermittently operated web cutting machine, which tends to veer the web transversely every time it starts to pull a length of web into the cutting machine. The present invention realigns the arcuately shaped web between cutting operations when necessary to compensate for lateral veering of the arcuate plastic web from the arcuate path it takes so as to cause the web to enter the web cutting machine at a proper angle and orientation for cutting.
REFERENCES:
patent: 2668705 (1954-02-01), Rosenthal
patent: 2937407 (1960-05-01), Richardson
patent: 3019475 (1962-02-01), Smith
patent: 3696186 (1972-10-01), Stark et al.
patent: 3760669 (1973-09-01), Rosenthal et al.
patent: 3885899 (1975-05-01), Gurta et al.
patent: 3912440 (1975-10-01), Koss et al.
patent: 3962760 (1976-06-01), Koss et al.
Mackey Robert R.
Mates Edward I.
PPG Industries Inc.
Siminerio Andrew C.
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