Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1987-05-26
1989-11-07
Cannon, James C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
2222, 2243R, 38144, 156 731, 156 732, 156 88, 428134, 428181, 428187, 428193, 428194, 428296, D06C 2304, D06C 2500, D06H 722, D06Q 100
Patent
active
048791555
ABSTRACT:
Pleated cloth made of thermoplastic resin is enhanced in its appearance by providing a film pattern section to the end of the cloth to melt a certain part of pleating. This invention relates to an improved pleated cloth and the method for producing the same, and the method for producing the improved pleated cloth includes the steps of: forming pleating on the cloth made of thermoplastic resin; melt-forming a film pattern section on the adequate area of the pleating lines by using a patterned roller and an ultrasonic generator; and erasing a certain area of the pleating lines by the provision of the film pattern section. The product as above improves over the prior art in that it eliminates the need for the sewing machine and thread used in conventional hemming.
REFERENCES:
patent: 4187132 (1980-02-01), Dijk
patent: 4364785 (1982-12-01), Wajs et al.
patent: 4560427 (1985-12-01), Flood
patent: 4610750 (1986-09-01), Mango
patent: 4693771 (1987-09-01), Fayel et al.
"Ultrasonic Embossing" found in last column of p. 438 of Plastic Finishing and Decorations, edited by Satas and published by VNR Company, 1986.
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