Apparatus for texturing untextured dry tissue web

Details Apparatus for texturing untextured dry tissue web Apparatus for texturing untextured dry tissue web

1978-11-21

1980-12-02

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

Flexing, bending, straightening or decurling means

162362, D21F 700

Patent

active

042369630

ABSTRACT:
Softness and bulk are imparted to untextured dry sanitary tissue sheet web by advancing it under ordinary support point tension through the nip of spaced grooved rotary texturing rolls having complementary partially interdigitated texturing ribs acting on both sides of the web with progressive wave-stretch texturing deformation of the web to release the hydrogen bonds between some of the fibers in the network of fibers in the web without breaking the fibers, and while maintaining the elasticity of the web.

REFERENCES:
patent: 2216803 (1940-10-01), Benda
patent: 2834809 (1958-05-01), Schutte et al.
patent: 3161557 (1964-12-01), Muller
patent: 3203850 (1965-08-01), McCarty
patent: 3466358 (1969-09-01), Muller
patent: 3597299 (1971-08-01), Thomas et al.
patent: 3608047 (1971-09-01), Wiggins
patent: 3817827 (1974-06-01), Benz
patent: 3849526 (1974-11-01), Muller et al.

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