FR1129822A - Tuyau souple en matière synthétique, par exemple tube d'aération, comportant un renforcement par fil en forme de spirale - Google Patents

Tuyau souple en matière synthétique, par exemple tube d'aération, comportant un renforcement par fil en forme de spirale

Info

Publication number
FR1129822A
FR1129822A FR1129822DA FR1129822A FR 1129822 A FR1129822 A FR 1129822A FR 1129822D A FR1129822D A FR 1129822DA FR 1129822 A FR1129822 A FR 1129822A
Authority
FR
France
Prior art keywords
spiral
shaped wire
ventilation tube
flexible synthetic
wire reinforcement
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
English (en)
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.)
WESTFALISCHE DRAHTINDUSTRIE
Original Assignee
WESTFALISCHE DRAHTINDUSTRIE
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 WESTFALISCHE DRAHTINDUSTRIE filed Critical WESTFALISCHE DRAHTINDUSTRIE
Application granted granted Critical
Publication of FR1129822A publication Critical patent/FR1129822A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/04—Air ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • F16L11/115—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements not embedded in the wall

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR1129822D 1954-08-19 1955-08-17 Tuyau souple en matière synthétique, par exemple tube d'aération, comportant un renforcement par fil en forme de spirale Expired FR1129822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1129822X 1954-08-19

Publications (1)

Publication Number Publication Date
FR1129822A true FR1129822A (fr) 1957-01-28

Family

ID=7725419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1129822D Expired FR1129822A (fr) 1954-08-19 1955-08-17 Tuyau souple en matière synthétique, par exemple tube d'aération, comportant un renforcement par fil en forme de spirale

Country Status (1)

Country Link
FR (1) FR1129822A (fr)

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