FR684622A - Dust suction protection device - Google Patents

Dust suction protection device

Info

Publication number
FR684622A
FR684622A FR684622DA FR684622A FR 684622 A FR684622 A FR 684622A FR 684622D A FR684622D A FR 684622DA FR 684622 A FR684622 A FR 684622A
Authority
FR
France
Prior art keywords
protection device
dust suction
suction protection
dust
suction
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
Frantz Ogrisek
Eugene Piccard
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 FR684622A publication Critical patent/FR684622A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/06—Nose filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR684622D 1929-11-04 1929-11-04 Dust suction protection device Expired FR684622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR684622T 1929-11-04

Publications (1)

Publication Number Publication Date
FR684622A true FR684622A (en) 1930-06-27

Family

ID=9024542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR684622D Expired FR684622A (en) 1929-11-04 1929-11-04 Dust suction protection device

Country Status (1)

Country Link
FR (1) FR684622A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990012614A1 (en) * 1989-04-25 1990-11-01 Lincoln Robert A Nose-worn air filter
US4984302A (en) * 1987-03-20 1991-01-15 Robert A Lincoln Nose-worn air filter
US20210346632A1 (en) * 2020-05-07 2021-11-11 Amy Zhang Liu Nose respirator device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984302A (en) * 1987-03-20 1991-01-15 Robert A Lincoln Nose-worn air filter
WO1990012614A1 (en) * 1989-04-25 1990-11-01 Lincoln Robert A Nose-worn air filter
US20210346632A1 (en) * 2020-05-07 2021-11-11 Amy Zhang Liu Nose respirator device

Similar Documents

Publication Publication Date Title
FR684622A (en) Dust suction protection device
FR704192A (en) Dust vacuum cleaner
FR604441A (en) Device intended to facilitate hearing
FR643876A (en) Dust separation device
FR667757A (en) Polishing dust suction device
FR663040A (en) Suction device
FR701618A (en) Sealing device
FR635140A (en) Adjustable elastic coupling device
FR682352A (en) Device for the recovery of atmospheric humidity
CA276972A (en) Dust suction device
FR651340A (en) Air cooling device
FR630531A (en) Attachment device
FR680943A (en) Suction device
FR575772A (en) Dust extraction device
FR653356A (en) Device protecting the capacitive loudspeakers from openings
FR38236E (en) Suction device for chimneys and other applications
FR676899A (en) Dust vacuum cleaner
FR652657A (en) Kinematic device
FR651541A (en) Anti-glare device
FR682970A (en) Improvements to air carrier coupling devices
FR658373A (en) Coupling device
CA295374A (en) Suction cleaner device
FR659592A (en) Automatic suction sprinkler
FR634421A (en) Improvements to static suction devices
FR638740A (en) Electron discharge device