FR627235A - Double compression pump system for warning devices, vaporizers or others - Google Patents

Double compression pump system for warning devices, vaporizers or others

Info

Publication number
FR627235A
FR627235A FR627235DA FR627235A FR 627235 A FR627235 A FR 627235A FR 627235D A FR627235D A FR 627235DA FR 627235 A FR627235 A FR 627235A
Authority
FR
France
Prior art keywords
vaporizers
pump system
compression pump
warning devices
double compression
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)
Inventor
Maurice Mion
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 FR627235A publication Critical patent/FR627235A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR627235D 1926-11-13 1926-11-13 Double compression pump system for warning devices, vaporizers or others Expired FR627235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR627235T 1926-11-13

Publications (1)

Publication Number Publication Date
FR627235A true FR627235A (en) 1927-09-29

Family

ID=8988894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR627235D Expired FR627235A (en) 1926-11-13 1926-11-13 Double compression pump system for warning devices, vaporizers or others

Country Status (1)

Country Link
FR (1) FR627235A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643633A (en) * 1949-03-12 1953-06-30 Abbondandolo Lawrence Pneumatic horn or signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643633A (en) * 1949-03-12 1953-06-30 Abbondandolo Lawrence Pneumatic horn or signal

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