Method and apparatus for forming the side panel of a mattress sa

Details Method and apparatus for forming the side panel of a mattress sa Method and apparatus for forming the side panel of a mattress sa

1996-03-21

1997-09-09

Nerbun, Peter

Sewing

Special machines

Mattress sewing

112153, 112163, 112277, 11247005, 11247506, D05B 1100, D05B 1912

Patent

active

056645082

ABSTRACT:
A method and apparatus for forming a side panel for a mattress sack or a box spring enclosure. The apparatus includes a double needle sewing machine and a guide for the ends of the folded side panel which are being stitched together which aligns and guides the ends through the stitching area. Photocells are provided to start and stop the stitching process. The method includes the step of stopping the stitching process after a predetermined number of stitches if light from a second photocell in the feed direction is not interrupted within a predetermined number of stitches.

REFERENCES:
patent: 3363594 (1968-01-01), Kosrow
patent: 4526114 (1985-07-01), Martell et al.
patent: 4843986 (1989-07-01), Kozuka et al.
patent: 5170733 (1992-12-01), Honma et al.
patent: 5249322 (1993-10-01), Seago

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