FR473960A - Improvements to devices for removing dust and other similar impurities - Google Patents

Improvements to devices for removing dust and other similar impurities

Info

Publication number
FR473960A
FR473960A FR473960A FR473960DA FR473960A FR 473960 A FR473960 A FR 473960A FR 473960 A FR473960 A FR 473960A FR 473960D A FR473960D A FR 473960DA FR 473960 A FR473960 A FR 473960A
Authority
FR
France
Prior art keywords
devices
removing dust
similar impurities
impurities
similar
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
FR473960A
Other languages
French (fr)
Inventor
William George Hay
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR473960A publication Critical patent/FR473960A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/20—Means for cleaning filters
FR473960A 1913-06-23 1914-06-23 Improvements to devices for removing dust and other similar impurities Expired FR473960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB320993X 1913-06-23

Publications (1)

Publication Number Publication Date
FR473960A true FR473960A (en) 1915-02-03

Family

ID=10333203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR473960A Expired FR473960A (en) 1913-06-23 1914-06-23 Improvements to devices for removing dust and other similar impurities

Country Status (2)

Country Link
DE (1) DE320993C (en)
FR (1) FR473960A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865855C (en) * 1948-11-03 1953-02-05 Wilhelm Dr-Ing Rehfus Dry filter with several filter hose sections arranged one inside the other
DE894346C (en) * 1949-06-21 1953-10-22 Henry Johnson Hersey Jun Filters for separating dust from gas or air
DE856715C (en) * 1950-06-17 1952-11-24 Josef Kufferath Filter hose for air filter

Also Published As

Publication number Publication date
DE320993C (en) 1920-05-06

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