Sewing machine needles

Details Sewing machine needles Sewing machine needles

1977-04-04

1978-12-05

Krizmanich, George H.

Sewing

Elements

Needles

D05B 8500

Patent

active

041280679

ABSTRACT:
A sewing machine needle is disclosed in which the needle blade including the long groove and the eye portion with a thin eye-accommodating web is cold formed in one finless flow pressing operation. Regardless of the diameter of the needle blade a uniform relation thereof with the needle orienting flat on the needle butt is achieved by lateral displacement of the needle blade axis relatively to the axis of the needle butt. In addition, the side flanges of the long groove, particularly in the eye portion are flared to facilitate threading.

REFERENCES:
patent: 3347192 (1967-10-01), Lukins
patent: 3397660 (1968-08-01), Luther
patent: 3862611 (1975-01-01), Kuromegawa

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