FR475246A - Appareil pour nettoyer les canalisations - Google Patents

Appareil pour nettoyer les canalisations

Info

Publication number
FR475246A
FR475246A FR475246A FR475246DA FR475246A FR 475246 A FR475246 A FR 475246A FR 475246 A FR475246 A FR 475246A FR 475246D A FR475246D A FR 475246DA FR 475246 A FR475246 A FR 475246A
Authority
FR
France
Prior art keywords
cleaning pipes
pipes
cleaning
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
FR475246A
Other languages
English (en)
Inventor
Jacob Schatz
Johann Dongs
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 FR475246A publication Critical patent/FR475246A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Circuit Breakers (AREA)
FR475246A 1913-08-22 1914-07-17 Appareil pour nettoyer les canalisations Expired FR475246A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE475246X 1936-03-19

Publications (1)

Publication Number Publication Date
FR475246A true FR475246A (fr) 1915-04-26

Family

ID=6541822

Family Applications (2)

Application Number Title Priority Date Filing Date
FR475246A Expired FR475246A (fr) 1913-08-22 1914-07-17 Appareil pour nettoyer les canalisations
FR819334D Expired FR819334A (fr) 1936-03-19 1937-03-17 Commutateur électrique à gaz

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR819334D Expired FR819334A (fr) 1936-03-19 1937-03-17 Commutateur électrique à gaz

Country Status (2)

Country Link
FR (2) FR475246A (fr)
GB (1) GB475246A (fr)

Also Published As

Publication number Publication date
FR819334A (fr) 1937-10-14
GB475246A (en) 1937-11-16

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