Method for forming a buttonhole in a fabric

Details Method for forming a buttonhole in a fabric Method for forming a buttonhole in a fabric

2008-07-29

2008-07-29

Izaguirre, Ismael (Department: 3765)

Sewing

Method of sewing

Workpiece manipulation other than straight line feeding

C112S475080, C112S068000, C083S905000

Reexamination Certificate

active

11447230

ABSTRACT:
The object of the invention is to provide a method and device with which it is possible, in a simple and rapid way, to form a buttonhole in a fabric which requires no further marking.The object of the invention is achieved by providing a method for producing a buttonhole in a fabric, in which an opening is formed in the fabric by means of an ultrasonic welding treatment, after which the edges of this opening are fused, to form the buttonhole.

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patent: 339230 (1977-10-01), None
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patent: 0073094 (1983-03-01), None
patent: 2079944 (1971-12-01), None

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