FI49751B - - Google Patents

Info

Publication number
FI49751B
FI49751B FI2844/72A FI284472A FI49751B FI 49751 B FI49751 B FI 49751B FI 2844/72 A FI2844/72 A FI 2844/72A FI 284472 A FI284472 A FI 284472A FI 49751 B FI49751 B FI 49751B
Authority
FI
Finland
Application number
FI2844/72A
Other languages
Finnish (fi)
Other versions
FI49751C (fi
Inventor
Pertti Haeyrinen
Aarne Lyytikaeinen
Erkki Merilaeinen
Original Assignee
Suojasauma Oy
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 Suojasauma Oy filed Critical Suojasauma Oy
Priority to FI722844A priority Critical patent/FI49751C/fi
Priority to SE7313852A priority patent/SE381328B/xx
Publication of FI49751B publication Critical patent/FI49751B/fi
Application granted granted Critical
Publication of FI49751C publication Critical patent/FI49751C/fi

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
    • E21F1/06—Duct connections
    • 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
    • F16L31/00—Arrangements for connecting hoses to one another or to flexible sleeves

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)
FI722844A 1972-10-13 1972-10-13 Letkuliitos. FI49751C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI722844A FI49751C (fi) 1972-10-13 1972-10-13 Letkuliitos.
SE7313852A SE381328B (sv) 1972-10-13 1973-10-11 Slangforbindning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI722844A FI49751C (fi) 1972-10-13 1972-10-13 Letkuliitos.

Publications (2)

Publication Number Publication Date
FI49751B true FI49751B (nl) 1975-06-02
FI49751C FI49751C (fi) 1975-09-10

Family

ID=8507670

Family Applications (1)

Application Number Title Priority Date Filing Date
FI722844A FI49751C (fi) 1972-10-13 1972-10-13 Letkuliitos.

Country Status (2)

Country Link
FI (1) FI49751C (nl)
SE (1) SE381328B (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO872549L (no) * 1987-06-18 1988-12-19 Harald Kolvereid Skjoete for roer av stoff.

Also Published As

Publication number Publication date
FI49751C (fi) 1975-09-10
SE381328B (sv) 1975-12-01

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