Expander for tubular textile fabric

Details Expander for tubular textile fabric Expander for tubular textile fabric

1990-08-30

1992-01-07

Schroeder, Werner H.

Textiles: cloth finishing

Expanding device for textile webs

Tubular-fabric-enclosed spreader

D06C 300

Patent

active

050778730

ABSTRACT:
Tubular fabric that is being expanded radially outwardly by a so-called circular expander, has a tendency to develop a reduced pressure inside the volume of the tubular fabric, whereby the operation of the expander is hindered. To avoid the formation of reduced pressure, the expander is equipped with at least one air blower nozzle for introducing pressurized air into the space enclosed by the tubular fabric. The air blower nozzle is movable toward and away from the tubular fabric and preferably can stretch the fabric slightly to improve the passage of air through the fabric, which is sufficient permeable to pressurized air.

REFERENCES:
patent: 2668324 (1954-02-01), Johnson
patent: 3285446 (1966-11-01), Strickland
patent: 4318209 (1982-03-01), Schuierer
patent: 4446632 (1984-05-01), Dornier
patent: 4541156 (1985-09-01), Walsh et al.
patent: 4747190 (1988-05-01), Koch
patent: 4843669 (1989-07-01), Koch et al.
patent: 4885826 (1989-12-01), Strudel
patent: 4888848 (1989-12-01), Serracant-Clermont et al.

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