Method and tools for forming sewing machine binder strip folders

Details Method and tools for forming sewing machine binder strip folders Method and tools for forming sewing machine binder strip folders

1986-11-24

1988-08-23

Larson, Lowell A.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72379, 72387, 112147, B21D 5300

Patent

active

047651725

ABSTRACT:
A method of and tools for forming sewing machine binder strip folders for folding a cloth binder strip laterally as it is fed to the sewing machine needle for stitching the folded binder strip to fabric which is fed past the needle with the folded strip. The folder is formed from a flat bendable sheet by folding longitudinal edge portions of the sheet inwardly over the same side of the sheet to form the latter to an initial configuration having inwardly opening binder strip receiving channels along the longitudinal edges of the sheet, and then bending the longitudinal central portion of the sheet laterally and progressively from one end of the sheet while retaining the opposite end of the sheet in its initial configuration to (a) form a longitudinally extending and tapered center fold in the sheet, (b) form said one end of the sheet into a narrowed mouth, and (c) twist the channels of the sheet about longitudinal axis, whereby the mouth ends of th channels are angularlay displaced relative to their opposite coplanar ends.

REFERENCES:
patent: 67358 (1867-07-01), Serviss
patent: 166161 (1875-07-01), Trowbridge
patent: 780559 (1905-01-01), Farmer
patent: 2701001 (1955-02-01), James
patent: 3583199 (1971-06-01), Speiser
patent: 4184439 (1980-01-01), Schulz
patent: 4280421 (1981-07-01), Price

Affiliated with

Also associated with

Rating

Method and tools for forming sewing machine binder strip folders does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and tools for forming sewing machine binder strip folders, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and tools for forming sewing machine binder strip folders will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-829520