Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Convoluting or twisting means
Patent
1977-01-26
1978-05-23
Spicer, Jr., Robert L.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Convoluting or twisting means
425814, 28247, 57 6, 57 9, B29C 1702
Patent
active
040908321
ABSTRACT:
A slide fastener and method and apparatus for making the same are disclosed wherein coils of filamentary material are secured to adjacent edges of a pair of carrier tapes. Each coil of filamentary material is formed from a filament having a specially shaped cross section which is arranged in a mirror image relationship with respect to its adjacent filamentary coil. During formation of the filamentary coils, they are simultaneously wound on a mandrel having differently shaped surfaces which aid in the final shaping of each coil.
REFERENCES:
patent: 3053288 (1962-09-01), Burbank
patent: 3147578 (1964-09-01), Calizzano
patent: 3196489 (1965-07-01), Chery
patent: 3431337 (1969-03-01), Heimberger
Spicer, Jr. Robert L.
Textron Inc.
LandOfFree
Apparatus for making slide fastener does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for making slide fastener, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for making slide fastener will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-562239