FR577787A - Conduits acoustiques - Google Patents

Conduits acoustiques

Info

Publication number
FR577787A
FR577787A FR577787DA FR577787A FR 577787 A FR577787 A FR 577787A FR 577787D A FR577787D A FR 577787DA FR 577787 A FR577787 A FR 577787A
Authority
FR
France
Prior art keywords
acoustic ducts
ducts
acoustic
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
English (en)
Inventor
Elbert John Haynes
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 filed Critical
Application granted granted Critical
Publication of FR577787A publication Critical patent/FR577787A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR577787D 1924-02-26 1924-02-26 Conduits acoustiques Expired FR577787A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR577787T 1924-02-26

Publications (1)

Publication Number Publication Date
FR577787A true FR577787A (fr) 1924-09-10

Family

ID=8954979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR577787D Expired FR577787A (fr) 1924-02-26 1924-02-26 Conduits acoustiques

Country Status (1)

Country Link
FR (1) FR577787A (fr)

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