AU6632974A - Load cells - Google Patents

Load cells

Info

Publication number
AU6632974A
AU6632974A AU66329/74A AU6632974A AU6632974A AU 6632974 A AU6632974 A AU 6632974A AU 66329/74 A AU66329/74 A AU 66329/74A AU 6632974 A AU6632974 A AU 6632974A AU 6632974 A AU6632974 A AU 6632974A
Authority
AU
Australia
Prior art keywords
load cells
cells
load
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
AU66329/74A
Inventor
Rodney Colvin Townsend
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.)
MINE SUPPORT SYSTEMS HOLDINGS
Original Assignee
MINE SUPPORT SYSTEMS HOLDINGS
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
Priority claimed from ZA731578A external-priority patent/ZA731578B/en
Application filed by MINE SUPPORT SYSTEMS HOLDINGS filed Critical MINE SUPPORT SYSTEMS HOLDINGS
Publication of AU6632974A publication Critical patent/AU6632974A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure
AU66329/74A 1973-03-07 1974-03-06 Load cells Expired AU6632974A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA731578A ZA731578B (en) 1973-03-07 1973-03-07 Compressible mine supports
ZA735579 1973-08-15

Publications (1)

Publication Number Publication Date
AU6632974A true AU6632974A (en) 1975-09-11

Family

ID=27131073

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66329/74A Expired AU6632974A (en) 1973-03-07 1974-03-06 Load cells

Country Status (7)

Country Link
JP (1) JPS5040401A (en)
AT (1) AT332343B (en)
AU (1) AU6632974A (en)
BR (1) BR7401725D0 (en)
DE (1) DE2410976A1 (en)
FR (1) FR2220665B1 (en)
ZM (1) ZM4574A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19503071B4 (en) * 1994-08-25 2004-02-12 Sz Schacht- Und Streckenausbau Gmbh Telescopic stamp for use in underground mining, tunneling and building construction
US7909542B2 (en) * 2002-11-08 2011-03-22 Grinaka-Lta Limited Mine support
US20170130580A1 (en) * 2012-08-30 2017-05-11 Burrell Mining Products, Inc. Telescopic mine roof support
US8851805B2 (en) 2012-08-30 2014-10-07 Burrell Mining Products, Inc. Telescopic mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
WO2018017948A1 (en) * 2016-07-21 2018-01-25 Burrell Mining Products, Inc. Telescopic mine roof support

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB941768A (en) * 1961-03-06 1963-11-13 Dowty Mining Equipment Ltd Telescopic pit props having external guard shrouds
FR1316824A (en) * 1962-03-02 1963-02-01 Framework for mining
GB1016292A (en) * 1963-05-15 1966-01-12 Stewarts & Lloyds Ltd A yielding strut
GB1227359A (en) * 1968-04-01 1971-04-07

Also Published As

Publication number Publication date
ZM4574A1 (en) 1975-06-23
DE2410976A1 (en) 1974-09-12
FR2220665B1 (en) 1978-01-06
FR2220665A1 (en) 1974-10-04
ATA188774A (en) 1976-01-15
AT332343B (en) 1976-09-27
BR7401725D0 (en) 1974-11-19
JPS5040401A (en) 1975-04-14

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