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FR814074A - Improvements to soundproof structures - Google Patents

Improvements to soundproof structures

Info

Publication number
FR814074A
FR814074A FR814074DA FR814074A FR 814074 A FR814074 A FR 814074A FR 814074D A FR814074D A FR 814074DA FR 814074 A FR814074 A FR 814074A
Authority
FR
France
Prior art keywords
soundproof structures
soundproof
structures
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
Other languages
French (fr)
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.)
Sperry Gyroscope Co Inc
Original Assignee
Sperry Gyroscope Co Inc
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
Application filed by Sperry Gyroscope Co Inc filed Critical Sperry Gyroscope Co Inc
Application granted granted Critical
Publication of FR814074A publication Critical patent/FR814074A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/40—Sound or heat insulation, e.g. using insulation blankets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR814074D 1935-11-16 1936-11-14 Improvements to soundproof structures Expired FR814074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US814074XA 1935-11-16 1935-11-16

Publications (1)

Publication Number Publication Date
FR814074A true FR814074A (en) 1937-06-14

Family

ID=22163958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814074D Expired FR814074A (en) 1935-11-16 1936-11-14 Improvements to soundproof structures

Country Status (1)

Country Link
FR (1) FR814074A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002938B (en) * 1952-06-11 1957-02-21 Gruenzweig & Hartmann A G Sound absorption device acting as an air resonator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002938B (en) * 1952-06-11 1957-02-21 Gruenzweig & Hartmann A G Sound absorption device acting as an air resonator

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