Method and means for applying vents to fabric

Details Method and means for applying vents to fabric Method and means for applying vents to fabric

1994-04-18

1995-06-27

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

29243517, 227 18, B23P 1900, A41H 3702

Patent

active

054268389

ABSTRACT:
A vent applicator positions, a skirted vent blank on one side of a fabric and a die on the other, and impels the blank downwardly through the fabric so that the skirt is curled up and out by the die to clamp the fabric to the blank. To position the vent blank, it is suspended on deflectable fingers which are deflected when the blank is impelled downwardly. Preferably a hole is punched in the fabric before the die is moved downwardly. Sensors detect the presence of a vent blank ready for downward movement. A washer may be positioned over the die for clamping between the upturned skirt and the fabric. If a washer is used sensors detect the presence and positioning of a washer.

REFERENCES:
patent: 867516 (1907-10-01), Lause et al.
patent: 1388862 (1921-08-01), Horgan
patent: 1423623 (1922-07-01), Shaw
patent: 2087969 (1937-07-01), Gookin
patent: 2456433 (1948-01-01), Lofgreen
patent: 4694984 (1987-09-01), Altwicker
patent: 4799611 (1989-01-01), Taga
patent: 5339984 (1994-08-01), Schmidt et al.

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