PL84151B1 - - Google Patents

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Publication number
PL84151B1
PL84151B1 PL1973165177A PL16517773A PL84151B1 PL 84151 B1 PL84151 B1 PL 84151B1 PL 1973165177 A PL1973165177 A PL 1973165177A PL 16517773 A PL16517773 A PL 16517773A PL 84151 B1 PL84151 B1 PL 84151B1
Authority
PL
Poland
Prior art keywords
knife
head
screw
wall
pocket
Prior art date
Application number
PL1973165177A
Other languages
English (en)
Polish (pl)
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 filed Critical
Publication of PL84151B1 publication Critical patent/PL84151B1/pl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/44—Planing knives

Landscapes

  • 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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Knives (AREA)
  • Earth Drilling (AREA)
PL1973165177A 1972-09-14 1973-09-12 PL84151B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2244977A DE2244977C3 (de) 1972-09-14 1972-09-14 Meißel, insbesondere für Kohlenhobel u.dgl

Publications (1)

Publication Number Publication Date
PL84151B1 true PL84151B1 (enrdf_load_stackoverflow) 1976-03-31

Family

ID=5856240

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1973165177A PL84151B1 (enrdf_load_stackoverflow) 1972-09-14 1973-09-12

Country Status (7)

Country Link
US (1) US3904247A (enrdf_load_stackoverflow)
BE (1) BE795710A (enrdf_load_stackoverflow)
CS (1) CS212290B2 (enrdf_load_stackoverflow)
DE (1) DE2244977C3 (enrdf_load_stackoverflow)
FR (1) FR2230853B1 (enrdf_load_stackoverflow)
GB (1) GB1433164A (enrdf_load_stackoverflow)
PL (1) PL84151B1 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2749830C2 (de) * 1977-11-08 1985-10-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hobelmeißel
DE3122868C2 (de) * 1981-06-10 1986-06-26 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hobelmeißelbefestigung, insbesondere für Kohlenhobel
FR2530724A1 (fr) * 1982-07-21 1984-01-27 Eurotungstene Systeme de montage des secteurs porte-pics sur une roue de trancheuse ou tambour de fraise
AU578637B2 (en) * 1983-12-03 1988-11-03 N.L. Petroleum Products Ltd. Rotary drill bits and cutting elements for such bits
DE3433277A1 (de) * 1984-09-11 1986-03-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Bodenmeissel fuer kohlenhobel
DE8633094U1 (de) * 1986-12-10 1987-02-19 Halbach & Braun Industrieanlagen, 5600 Wuppertal Werkzeugaggregat für Gewinnungsmaschinen, insbesondere Kohlenhobel oder Schrämmaschinen
DE3900140C1 (enrdf_load_stackoverflow) * 1989-01-04 1990-08-16 Halbach & Braun Industrieanlagen, 5600 Wuppertal, De
US5678645A (en) * 1995-11-13 1997-10-21 Baker Hughes Incorporated Mechanically locked cutters and nozzles
US5983534A (en) * 1997-09-17 1999-11-16 G. H. Hensley Industries, Inc. Rotary lock system for excavating tooth/adapter assembly
DE10221764C1 (de) * 2002-05-15 2003-11-27 Wirtgen Gmbh Halterung für einen Schaftmeißel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1595112A (en) * 1925-09-23 1926-08-10 Stockland Road Machinery Compa Scarifying device
US2190674A (en) * 1936-01-21 1940-02-20 Sullivan Machinery Co Cutter chain
US3271080A (en) * 1964-02-06 1966-09-06 Gen Electric Cutter bit assembly for mining machines

Also Published As

Publication number Publication date
US3904247A (en) 1975-09-09
DE2244977A1 (de) 1974-03-21
DE2244977B2 (de) 1980-04-30
GB1433164A (en) 1976-04-22
BE795710A (fr) 1973-06-18
DE2244977C3 (de) 1981-01-08
FR2230853A1 (enrdf_load_stackoverflow) 1974-12-20
CS212290B2 (en) 1982-03-26
FR2230853B1 (enrdf_load_stackoverflow) 1976-09-10

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