Garment welt folder

Details Garment welt folder Garment welt folder

1981-10-13

1983-08-23

Heinz, A. J.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493458, 493447, B65H 4512

Patent

active

044001657

ABSTRACT:
A method and apparatus for folding a piece of welt material along longitudinal and transverse fold lines. The method and apparatus produce a folded piece of welt material with sharply defined transverse and longitudinal folds in a safe and efficient manner. A preferred embodiment of the garment welt folder (26) utilizes a template (30) having a recessed area (34) and a slot (38) with sharply defined longitudinal and transverse edges corresponding to longitudinal and transverse folds to be made in the welt material (64). Finger blades (50, 52) are positioned to secure the welt material (64) at the longitudinal fold lines by a vertical double-acting fluid cylinder (44) and two horizontal double-acting fluid cylinders (46, 48). Two portions (68, 70) of the welt material (64) extending beyond the longitudinal fold line are folded over the portion (66) of the area of the welt material (64) within the longitudinal fold lines by two folding blades (58, 60). The folding blades are operated by two double-acting fluid cylinders (54, 56). Subsequently, the double-acting fluid cylinders retract the finger blades (50, 52) and then the folding blades (58, 60) leaving a longitudinally folded welt material (64). A rectangular plate (62) then drops into the slot (38) in the template (30) to form a transverse fold in a longitudinally folded welt material (64).

REFERENCES:
patent: 2245675 (1941-06-01), Hultin
patent: 3086337 (1963-04-01), Engleson
patent: 4174988 (1979-11-01), Moore
patent: 4338086 (1982-07-01), Heater

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