FR2178771A1 - - Google Patents

Info

Publication number
FR2178771A1
FR2178771A1 FR7212055A FR7212055A FR2178771A1 FR 2178771 A1 FR2178771 A1 FR 2178771A1 FR 7212055 A FR7212055 A FR 7212055A FR 7212055 A FR7212055 A FR 7212055A FR 2178771 A1 FR2178771 A1 FR 2178771A1
Authority
FR
France
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.)
Granted
Application number
FR7212055A
Other languages
French (fr)
Other versions
FR2178771B1 (tr
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.)
Austin Hoy and Co Ltd
Original Assignee
Austin Hoy and Co Ltd
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 Austin Hoy and Co Ltd filed Critical Austin Hoy and Co Ltd
Priority to FR7212055A priority Critical patent/FR2178771B1/fr
Publication of FR2178771A1 publication Critical patent/FR2178771A1/fr
Application granted granted Critical
Publication of FR2178771B1 publication Critical patent/FR2178771B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
    • F16B21/078—Releasable fastening devices with snap-action in which the socket has a resilient part the socket having a further molded-in or embedded component, e.g. a ring with snap-in teeth molded into it
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR7212055A 1972-04-06 1972-04-06 Expired FR2178771B1 (tr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7212055A FR2178771B1 (tr) 1972-04-06 1972-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7212055A FR2178771B1 (tr) 1972-04-06 1972-04-06

Publications (2)

Publication Number Publication Date
FR2178771A1 true FR2178771A1 (tr) 1973-11-16
FR2178771B1 FR2178771B1 (tr) 1975-09-26

Family

ID=9096413

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7212055A Expired FR2178771B1 (tr) 1972-04-06 1972-04-06

Country Status (1)

Country Link
FR (1) FR2178771B1 (tr)

Also Published As

Publication number Publication date
FR2178771B1 (tr) 1975-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse