Method of producing air permeable sheet material
United States Patent 3307961
US Patent References:
Perforated paper
- - 2817596
Adhesive tape and method of making the same
- - 2861006
Apparatus and process for making apertured non-woven fabrics
- - 3137893
Method and apparatus for making adhesive tapes
- - 3214502
Perforated paper
- - 2817596
Adhesive tape and method of making the same
- - 2861006
Apparatus and process for making apertured non-woven fabrics
- - 3137893
Method and apparatus for making adhesive tapes
- - 3214502
Inventors:
Karl, Stiehl
Klaus, Oberlander
Klaus, Oberlander
Publication Date:
03/07/1967
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Export Citation:
Assignee:
Degussa
Primary Class:
Other Classes:
427/276, 428/195.100, 427/288, 427/289, 428/156
International Classes:
B32B27/00; D06N3/00; D06N7/00