GB443507A - Improvements in or relating to hydraulic cartridges - Google Patents

Improvements in or relating to hydraulic cartridges

Info

Publication number
GB443507A
GB443507A GB2919834A GB2919834A GB443507A GB 443507 A GB443507 A GB 443507A GB 2919834 A GB2919834 A GB 2919834A GB 2919834 A GB2919834 A GB 2919834A GB 443507 A GB443507 A GB 443507A
Authority
GB
United Kingdom
Prior art keywords
plate
breaking
openings
relating
mines
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
GB2919834A
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.)
Gullick Ltd
Original Assignee
Gullick 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 Gullick Ltd filed Critical Gullick Ltd
Priority to GB2919834A priority Critical patent/GB443507A/en
Publication of GB443507A publication Critical patent/GB443507A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/08—Devices with pistons, plungers, or the like, pressed locally against the wall of the borehole

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

443,507. Breaking - down appliances for mines. GULLICK, Ltd., 3, King Street, Wigan, and SEAMAN, T., 153, Twentywell Lane, Dore, Sheffield. Oct. 12, 1934, No. 29198. [Class 68 (i)] Hydraulic means for breaking-down material in mines comprises a body 10 of part circular or oval section with one or more cylinders 16 each receiving a ram 17 and supplied with water through a port 19 ; a plate 13 is bolted to the body and has such form as substantially to complete the circular or oval section, the plate having openings 23 in which the rams are guided throughout their stroke. The ends of the plate have dovetails 14 engaging recesses in cheeks 12 on the body. The bolts 20 may be aligned or staggered and the openings 23 may be formed by bushes threaded &c. to the plate 13.
GB2919834A 1934-10-12 1934-10-12 Improvements in or relating to hydraulic cartridges Expired GB443507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2919834A GB443507A (en) 1934-10-12 1934-10-12 Improvements in or relating to hydraulic cartridges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2919834A GB443507A (en) 1934-10-12 1934-10-12 Improvements in or relating to hydraulic cartridges

Publications (1)

Publication Number Publication Date
GB443507A true GB443507A (en) 1936-03-02

Family

ID=10287700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2919834A Expired GB443507A (en) 1934-10-12 1934-10-12 Improvements in or relating to hydraulic cartridges

Country Status (1)

Country Link
GB (1) GB443507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112196533A (en) * 2020-10-28 2021-01-08 张和平 Rock breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112196533A (en) * 2020-10-28 2021-01-08 张和平 Rock breaker

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