Paper making and fiber liberation – Processes and products – Multi-layer waterlaid webs or sheets
Patent
1979-09-26
1981-08-18
Chin, Peter
Paper making and fiber liberation
Processes and products
Multi-layer waterlaid webs or sheets
162127, 162156, 162171, D21H 102, D21H 518
Patent
active
042844703
ABSTRACT:
High strength roofing products using a novel glass fiber mat are described herein. The roofing products include shingles and built up roofing membranes and systems.
REFERENCES:
patent: 4112174 (1978-09-01), Hannes et al.
patent: 4179331 (1979-12-01), Chakrabarti
patent: 4183782 (1980-01-01), Bondoc
Chin Peter
GAF Corporation
Katz Walter
Magee Jr. James
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