CA837906A - Sound-absorbing panel material of rigid foam and ceilings thereof - Google Patents

Sound-absorbing panel material of rigid foam and ceilings thereof

Info

Publication number
CA837906A
CA837906A CA837906A CA837906DA CA837906A CA 837906 A CA837906 A CA 837906A CA 837906 A CA837906 A CA 837906A CA 837906D A CA837906D A CA 837906DA CA 837906 A CA837906 A CA 837906A
Authority
CA
Canada
Prior art keywords
ceilings
sound
panel material
rigid foam
absorbing panel
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
CA837906A
Inventor
R. Videen Otis
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.)
Conwed Corp
Original Assignee
Conwed Corp
Publication date
Application granted granted Critical
Publication of CA837906A publication Critical patent/CA837906A/en
Expired legal-status Critical Current

Links

CA837906A Sound-absorbing panel material of rigid foam and ceilings thereof Expired CA837906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA837906T

Publications (1)

Publication Number Publication Date
CA837906A true CA837906A (en) 1970-03-31

Family

ID=36322101

Family Applications (1)

Application Number Title Priority Date Filing Date
CA837906A Expired CA837906A (en) Sound-absorbing panel material of rigid foam and ceilings thereof

Country Status (1)

Country Link
CA (1) CA837906A (en)

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