CA674979A - Sag-resistant acoustical fiberboard and method of producing the same - Google Patents

Sag-resistant acoustical fiberboard and method of producing the same

Info

Publication number
CA674979A
CA674979A CA674979A CA674979DA CA674979A CA 674979 A CA674979 A CA 674979A CA 674979 A CA674979 A CA 674979A CA 674979D A CA674979D A CA 674979DA CA 674979 A CA674979 A CA 674979A
Authority
CA
Canada
Prior art keywords
sag
producing
same
resistant acoustical
fiberboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA674979A
Inventor
T. Bulson Walter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Armstrong World Industries Inc
Original Assignee
Armstrong Cork Co
Publication date
Application granted granted Critical
Publication of CA674979A publication Critical patent/CA674979A/en
Expired legal-status Critical Current

Links

CA674979A Sag-resistant acoustical fiberboard and method of producing the same Expired CA674979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA674979T

Publications (1)

Publication Number Publication Date
CA674979A true CA674979A (en) 1963-11-26

Family

ID=35975338

Family Applications (1)

Application Number Title Priority Date Filing Date
CA674979A Expired CA674979A (en) Sag-resistant acoustical fiberboard and method of producing the same

Country Status (1)

Country Link
CA (1) CA674979A (en)

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