D - Textiles – Paper – 06 – H
Patent
D - Textiles, Paper
06
H
D06H 5/00 (2006.01) A41D 27/24 (2006.01) B29C 53/38 (2006.01) B29C 53/48 (2006.01) B31F 5/00 (2006.01) F16L 55/16 (2006.01) F16L 55/165 (2006.01) B29C 65/62 (2006.01)
Patent
CA 2077891
ABSTRACT OF THE DISCLOSURE A method of producing a tubular lining material for use in soft lining processes comprising forming the first web absorbent material into a tubular form by folding the web in two so that web edges come face to face, followed by sewing through said face to face edges, folding a second layer about the first layer in a similar fashion 50 that the edges of the edges come face to face, and sewing through said edges of the second layer, the sewing loops in each case being such that when the resulting tubular structure is moved to circular form, the said face to face edges separate and move into butting relationship.
Insituform (netherlands) Bv
Riches Mckenzie & Herbert Llp
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