[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

PT73003A - Free piston machine - Google Patents

Free piston machine

Info

Publication number
PT73003A
PT73003A PT7300381A PT7300381A PT73003A PT 73003 A PT73003 A PT 73003A PT 7300381 A PT7300381 A PT 7300381A PT 7300381 A PT7300381 A PT 7300381A PT 73003 A PT73003 A PT 73003A
Authority
PT
Portugal
Prior art keywords
free piston
piston machine
machine
free
piston
Prior art date
Application number
PT7300381A
Other languages
Portuguese (pt)
Other versions
PT73003B (en
Inventor
Nigel Bruce Cox
Original Assignee
Halifax Tool Co 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 Halifax Tool Co Ltd filed Critical Halifax Tool Co Ltd
Publication of PT73003A publication Critical patent/PT73003A/en
Publication of PT73003B publication Critical patent/PT73003B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Actuator (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
PT7300381A 1980-05-09 1981-05-08 Free piston machine PT73003B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8015389 1980-05-09
GB8040286 1980-12-16

Publications (2)

Publication Number Publication Date
PT73003A true PT73003A (en) 1981-06-01
PT73003B PT73003B (en) 1982-04-30

Family

ID=26275454

Family Applications (1)

Application Number Title Priority Date Filing Date
PT7300381A PT73003B (en) 1980-05-09 1981-05-08 Free piston machine

Country Status (5)

Country Link
EP (1) EP0040026A1 (en)
AU (1) AU7025881A (en)
CA (1) CA1151027A (en)
ES (1) ES8302186A1 (en)
PT (1) PT73003B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270411D1 (en) * 1981-12-10 1986-05-15 Weaver & Hurt Ltd Percussive drills
DE3362163D1 (en) * 1982-07-23 1986-03-27 Weaver & Hurt Ltd Rock drills
AU608441B2 (en) * 1988-06-15 1991-03-28 Abraham Gien Down the hole hammer equipment
SE469185B (en) * 1992-03-31 1993-05-24 Uniroc Ab BATTERY PISTON FOR PUMP DRILLING MACHINE
AUPO957097A0 (en) * 1997-10-01 1997-10-30 Rear, Ian Graeme Hammer
CZ136198A3 (en) 1998-05-04 1999-11-17 Permon S. R. O. Air-operated underwater drilling tools
US7272579B1 (en) * 2000-02-17 2007-09-18 Fedbid, Inc. Auction based procurement system
US8046269B2 (en) 2000-02-17 2011-10-25 Fedbid, Inc. Auction based procurement system
US7617889B2 (en) * 2005-11-03 2009-11-17 Rockmore International, Inc. Backhead and drill assembly with backhead

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774334A (en) * 1953-05-01 1956-12-18 Hughes Tool Co Reciprocating prime mover
US3944003A (en) * 1972-04-24 1976-03-16 Bakerdrill, Inc. Bore hole air hammer
US3964551A (en) * 1974-09-20 1976-06-22 Reed Tool Company Pneumatic impact drilling tool
GB1472501A (en) * 1975-01-13 1977-05-04 Gien Abraham Pneumatic percussive machines
US4030554A (en) * 1975-07-07 1977-06-21 Bakerdrill, Inc. Bore hole airhammer and anvil bit
US4084647A (en) * 1976-07-01 1978-04-18 William Lister Pneumatic percussion hammer

Also Published As

Publication number Publication date
ES502022A0 (en) 1982-12-16
CA1151027A (en) 1983-08-02
PT73003B (en) 1982-04-30
EP0040026A1 (en) 1981-11-18
ES8302186A1 (en) 1982-12-16
AU7025881A (en) 1981-11-12

Similar Documents

Publication Publication Date Title
JPS56159506A (en) Rotary piston machine
YU99481A (en) Thermal piston machine
GB2081235B (en) Filling machine
YU5581A (en) Main cylinder
GB2071629B (en) Filling machine
JPS5722406A (en) Working cylinder
GB2073323B (en) Hydraulic machines
JPS56146587A (en) Working machine
DE3168149D1 (en) Compound piston
ZA814749B (en) Hydraulic reciprocating machines
PT73003A (en) Free piston machine
JPS57121664A (en) Embrodering machine
DE3068923D1 (en) Piston machine
SU1279520A1 (en) Belt-grinding machine
DE3165104D1 (en) Cylinder
JPS578645A (en) Lavelling machine
JPS5721942A (en) Rice-cleaning machine
JPS5721943A (en) Rice-cleaning machine
JPS56151280A (en) Circular piston machine
JPS56150783A (en) Interval traning machine
GB2070993B (en) Die finish-cutting machine
JPS5752601A (en) Rotary piston machine
JPS57189769A (en) Working machine
GB2089240B (en) Fragmentising machine
ZA813077B (en) Free piston machines