GB1227216A - - Google Patents

Info

Publication number
GB1227216A
GB1227216A GB2961068A GB1227216DA GB1227216A GB 1227216 A GB1227216 A GB 1227216A GB 2961068 A GB2961068 A GB 2961068A GB 1227216D A GB1227216D A GB 1227216DA GB 1227216 A GB1227216 A GB 1227216A
Authority
GB
United Kingdom
Prior art keywords
wheels
rail
engage
flange
hydraulic rams
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
GB2961068A
Other languages
English (en)
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 GB1227216A publication Critical patent/GB1227216A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like

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)
  • Rollers For Roller Conveyors For Transfer (AREA)
GB2961068A 1968-06-21 1968-06-21 Expired GB1227216A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2961068 1968-06-21

Publications (1)

Publication Number Publication Date
GB1227216A true GB1227216A (enrdf_load_html_response) 1971-04-07

Family

ID=10294282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2961068A Expired GB1227216A (enrdf_load_html_response) 1968-06-21 1968-06-21

Country Status (1)

Country Link
GB (1) GB1227216A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451090A (en) * 1981-04-25 1984-05-29 Gebr. Eickhoff Maschinenfabrik Und Eisengiesserei M.B.H. Advancing apparatus for coal-mining machine in underground mine
GB2222393A (en) * 1987-08-20 1990-03-07 Ture Hedstroem A good transporter
CN114856557A (zh) * 2022-04-11 2022-08-05 天地上海采掘装备科技有限公司 滚动式辅助受力浮动机构

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451090A (en) * 1981-04-25 1984-05-29 Gebr. Eickhoff Maschinenfabrik Und Eisengiesserei M.B.H. Advancing apparatus for coal-mining machine in underground mine
GB2222393A (en) * 1987-08-20 1990-03-07 Ture Hedstroem A good transporter
GB2222393B (en) * 1987-08-20 1992-06-17 Ture Hedstroem A goods transporter
CN114856557A (zh) * 2022-04-11 2022-08-05 天地上海采掘装备科技有限公司 滚动式辅助受力浮动机构

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees