GB191405924A - Improvements in Apparatus for Extracting Piles and the like. - Google Patents

Improvements in Apparatus for Extracting Piles and the like.

Info

Publication number
GB191405924A
GB191405924A GB191405924DA GB191405924A GB 191405924 A GB191405924 A GB 191405924A GB 191405924D A GB191405924D A GB 191405924DA GB 191405924 A GB191405924 A GB 191405924A
Authority
GB
United Kingdom
Prior art keywords
piston
pile
extracting piles
piles
extracting
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
Inventor
John Bull
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191405924A publication Critical patent/GB191405924A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/22—Drives for hammers; Transmission means therefor for power hammers
    • B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
    • E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing

Abstract

5924. Bull, J. March 9. Cushioning reciprocating parts. - In motors suitable for pile drivers and pile extractors and described as applied to the latter, the piston B on its down-stroke is cushioned by a hollow projection d on the cylinder cover entering a recess in the piston.
GB191405924D 1914-03-09 1914-03-09 Improvements in Apparatus for Extracting Piles and the like. Expired GB191405924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191405924T 1914-03-09

Publications (1)

Publication Number Publication Date
GB191405924A true GB191405924A (en) 1915-04-09

Family

ID=32582593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191405924D Expired GB191405924A (en) 1914-03-09 1914-03-09 Improvements in Apparatus for Extracting Piles and the like.

Country Status (1)

Country Link
GB (1) GB191405924A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016964A (en) * 1956-12-22 1962-01-16 Schmidt Paul Device for extracting jammed rock drills
US3109500A (en) * 1958-05-12 1963-11-05 Delmag Maschinenfabrik Pile pulling machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016964A (en) * 1956-12-22 1962-01-16 Schmidt Paul Device for extracting jammed rock drills
US3109500A (en) * 1958-05-12 1963-11-05 Delmag Maschinenfabrik Pile pulling machine

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