Method and apparatus using clamps and movable plates for produci

Details Method and apparatus using clamps and movable plates for produci Method and apparatus using clamps and movable plates for produci

1990-05-18

1992-09-22

Schroeder, Werner H.

Sewing

Work manipulating

Guides

112146, 112147, 223 35, D05B 3508

Patent

active

051487608

ABSTRACT:
A method and system using an apparatus for folding and sewing a pleat in a material without the need for manual folding. The method includes the use of clamps to hold the material in place and the movement of pleates to fold the material. The pleat is kept in place by a clamp during stitching. The method may be used on any type of pleating operation, but is particularly applicable to the formation of pleats in yoke-back panel material assemblies.

REFERENCES:
patent: 1166237 (1915-12-01), Moffatt
patent: 1231139 (1917-06-01), Dickman
patent: 2749858 (1956-06-01), Campbell et al.
patent: 3369303 (1968-02-01), Henry
patent: 3519174 (1970-07-01), Ronay
patent: 3760746 (1973-09-01), Portilla, Jr.
patent: 3850121 (1974-11-01), Speer
patent: 3889858 (1975-06-01), Hack
patent: 3918376 (1975-11-01), Nishiwaki et al.
patent: 4573421 (1986-03-01), Mall et al.
patent: 4787325 (1988-11-01), Black et al.

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