CA1034860A - Noise-reduction systems - Google Patents

Noise-reduction systems

Info

Publication number
CA1034860A
CA1034860A CA222,879A CA222879A CA1034860A CA 1034860 A CA1034860 A CA 1034860A CA 222879 A CA222879 A CA 222879A CA 1034860 A CA1034860 A CA 1034860A
Authority
CA
Canada
Prior art keywords
noise
reduction systems
reduction
systems
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
CA222,879A
Other languages
French (fr)
Other versions
CA222879S (en
Inventor
Paul I. Wilson
Edward R. Payne
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.)
Dunlop Ltd
Original Assignee
Dunlop Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB13548/74A external-priority patent/GB1481355A/en
Application filed by Dunlop Ltd filed Critical Dunlop Ltd
Application granted granted Critical
Publication of CA1034860A publication Critical patent/CA1034860A/en
Expired legal-status Critical Current

Links

CA222,879A 1974-03-27 1975-03-24 Noise-reduction systems Expired CA1034860A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB13548/74A GB1481355A (en) 1974-03-27 1974-03-27 Laminated noise reduction systems
GB4347974 1974-10-08

Publications (1)

Publication Number Publication Date
CA1034860A true CA1034860A (en) 1978-07-18

Family

ID=26249845

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,879A Expired CA1034860A (en) 1974-03-27 1975-03-24 Noise-reduction systems

Country Status (1)

Country Link
CA (1) CA1034860A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924969A (en) * 1988-11-09 1990-05-15 Heureux Ghislain L Acoustic door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924969A (en) * 1988-11-09 1990-05-15 Heureux Ghislain L Acoustic door

Also Published As

Publication number Publication date
AU7933475A (en) 1976-09-23

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