FR847651A - Aerosol filter and its manufacturing process - Google Patents

Aerosol filter and its manufacturing process

Info

Publication number
FR847651A
FR847651A FR847651DA FR847651A FR 847651 A FR847651 A FR 847651A FR 847651D A FR847651D A FR 847651DA FR 847651 A FR847651 A FR 847651A
Authority
FR
France
Prior art keywords
manufacturing process
aerosol filter
aerosol
filter
manufacturing
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.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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 Pirelli SpA filed Critical Pirelli SpA
Application granted granted Critical
Publication of FR847651A publication Critical patent/FR847651A/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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
FR847651D 1938-01-28 1938-12-16 Aerosol filter and its manufacturing process Expired FR847651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT847651X 1938-01-28

Publications (1)

Publication Number Publication Date
FR847651A true FR847651A (en) 1939-10-13

Family

ID=11325370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847651D Expired FR847651A (en) 1938-01-28 1938-12-16 Aerosol filter and its manufacturing process

Country Status (2)

Country Link
FR (1) FR847651A (en)
GB (1) GB509582A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296781A (en) * 1964-11-10 1967-01-10 Auergesellschaft Gmbh Filter

Also Published As

Publication number Publication date
GB509582A (en) 1939-07-18

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