Fibrous tape base material

Details Fibrous tape base material Fibrous tape base material

1989-02-23

1993-06-29

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

162117, 162205, D21H 2702

Patent

active

052230937

ABSTRACT:
A sheet of fibrous web material having opposite smooth surfaces, an apparent bulk in the range of about 0.10 to about 0.20 caliper pts/lb ream and a machine direction stretch of at least 8%, wherein surface undulations on the opposite smooth surfaces of the sheet have an amplitude variance of less than 0.0002 inch. The dried web has an apparent bulk less than 0.20 caliper pts/lb ream.

REFERENCES:
patent: 3503495 (1970-03-01), Gustafson et al.

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