Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1977-12-06
1979-07-31
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8179, 2420513C, 264 78, 264281, 264DIG40, D06P 300, D06P 500
Patent
active
041628926
ABSTRACT:
Continuous method of manufacturing coil type slide fasteners by forming synthetic monofilaments into a pair of uncured fastener element coils. The fastener coils are then intermeshed in coupled relation and sewn onto the adjacent edges of a pair of uncured knit tapes. The coil, sewing thread and knit tapes are each composed of the same thermosetting resin. The fastener chain is advanced at uniform tension and velocity through a pressing stage and viscous dye bath containing a dispersion type thermosoling dye. The advancing chain is then vacuumed to provide uniform deposition of the dye on the tape and coil. The chain is then dried and led through a heating zone maintained at a temperature which simultaneously fixes the dyestuffs and cures or thermosets the coil and knit tapes. Thereafter, the moving chain is washed and calendered while being maintained under tension. The continuous zipper chain is then cut to length and supplied with a slider and end stops.
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patent: 3170014 (1965-02-01), Burbank
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Moncrieff, R. W., "Man-Made Fibres" (John Wiley), 1975, pp. 455-456.
Leal August
Murphy Theodore
Piazzo Kenneth
Wright William R.
Clingman A. Lionel
Wm. E. Wright Co.
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