GB8829440D0 - Improvements relating to machinery - Google Patents

Improvements relating to machinery

Info

Publication number
GB8829440D0
GB8829440D0 GB888829440A GB8829440A GB8829440D0 GB 8829440 D0 GB8829440 D0 GB 8829440D0 GB 888829440 A GB888829440 A GB 888829440A GB 8829440 A GB8829440 A GB 8829440A GB 8829440 D0 GB8829440 D0 GB 8829440D0
Authority
GB
United Kingdom
Prior art keywords
machinery
improvements relating
relating
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.)
Withdrawn
Application number
GB888829440A
Other versions
GB2227511A (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.)
WINSTER GROUP
Original Assignee
WINSTER GROUP
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 WINSTER GROUP filed Critical WINSTER GROUP
Priority to GB8829440A priority Critical patent/GB2227511A/en
Publication of GB8829440D0 publication Critical patent/GB8829440D0/en
Publication of GB2227511A publication Critical patent/GB2227511A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts
GB8829440A 1988-12-16 1988-12-16 Roof support assembly Withdrawn GB2227511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8829440A GB2227511A (en) 1988-12-16 1988-12-16 Roof support assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8829440A GB2227511A (en) 1988-12-16 1988-12-16 Roof support assembly

Publications (2)

Publication Number Publication Date
GB8829440D0 true GB8829440D0 (en) 1989-02-01
GB2227511A GB2227511A (en) 1990-08-01

Family

ID=10648645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8829440A Withdrawn GB2227511A (en) 1988-12-16 1988-12-16 Roof support assembly

Country Status (1)

Country Link
GB (1) GB2227511A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114233357A (en) * 2021-12-28 2022-03-25 安徽省矿业机电装备有限责任公司 Independent rail type hydraulic combined support and working method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2514150C3 (en) * 1975-03-29 1982-04-22 Mannesmann AG, 4000 Düsseldorf Shield driving machine for driving tunnels and routes
FR2365690A1 (en) * 1976-09-17 1978-04-21 Salzgitter Maschinen Ag WALKING SUPPORT, ESPECIALLY TEMPORARY, USED FOR THE BIGGING OF MINING GALLERIES AND TUNNELS
GB2088458B (en) * 1980-11-28 1984-04-11 Dowty Mining Equipment Ltd Mine roof support
US4411559A (en) * 1981-06-18 1983-10-25 Aunald Jopling Mining system
DE3204872C2 (en) * 1982-02-12 1985-09-26 Bergwerksverband Gmbh, 4300 Essen Shield removal cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114233357A (en) * 2021-12-28 2022-03-25 安徽省矿业机电装备有限责任公司 Independent rail type hydraulic combined support and working method thereof

Also Published As

Publication number Publication date
GB2227511A (en) 1990-08-01

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)