Automatic flange applying machine

Details Automatic flange applying machine Automatic flange applying machine

1998-03-10

2000-07-04

Nerbun, Peter

Sewing

Special machines

Mattress sewing

112309, 112322, 11247033, 112DIG2, D05B 2100, D05B 2710, D05B 1100

Patent

active

060822775

ABSTRACT:
An automatic flange applying machine for sewing the raw edges of a mattress panel and attaching a flange strip. A multi-speed sewing machine sews at high speed along straight sides and a straight top end and bottom end and forms rounded corners at a slower speed as the mattress panel is incrementally rotated about a pivot point. Photodetectors align the edges of the panel with the sewing needles while other detectors determine the location of the panel so that suitable operations begin. The panel is moved by pressure rollers through the sewing machine and the corners are formed by reversing certain of the rollers.

REFERENCES:
patent: 5497720 (1996-03-01), Kawasaki
patent: 5529004 (1996-06-01), Porter et al.
patent: 5560308 (1996-10-01), Eto

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