SE0202545L - Impact tool with membrane and polyurethane foam plastic - Google Patents
Impact tool with membrane and polyurethane foam plasticInfo
- Publication number
- SE0202545L SE0202545L SE0202545A SE0202545A SE0202545L SE 0202545 L SE0202545 L SE 0202545L SE 0202545 A SE0202545 A SE 0202545A SE 0202545 A SE0202545 A SE 0202545A SE 0202545 L SE0202545 L SE 0202545L
- Authority
- SE
- Sweden
- Prior art keywords
- membrane
- polyurethane foam
- foam plastic
- impact tool
- liquid
- Prior art date
Links
- 229920003023 plastic Polymers 0.000 title abstract 3
- 239000004033 plastic Substances 0.000 title abstract 3
- 229920005830 Polyurethane Foam Polymers 0.000 title 1
- 239000012528 membrane Substances 0.000 title 1
- 239000011496 polyurethane foam Substances 0.000 title 1
- 239000007788 liquid Substances 0.000 abstract 3
- 229920002635 polyurethane Polymers 0.000 abstract 2
- 239000004814 polyurethane Substances 0.000 abstract 2
- 239000002344 surface layer Substances 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pipe Accessories (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Accumulator for liquid driven hammer device comprising a housing (1), a room (2) arranged in the housing in connection with a channel (3) in which a liquid with varying pressure is situated in which the room (2) comprises a body (4) of foamed plastics provided with a surface layer (5) which separates the liquid from the inside of the body (4). The foamed plastics is microcellular polyurethane and the surface layer (5) is a sealing lining of polyurethane.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0202545A SE525600C2 (en) | 2002-08-29 | 2002-08-29 | Accumulator for liquid-powered percussion with a body of foamed plastic |
PCT/SE2003/001313 WO2004020155A1 (en) | 2002-08-29 | 2003-08-26 | Accumulator with foam plastic for a liquid driven hammer device |
AU2003253548A AU2003253548A1 (en) | 2002-08-29 | 2003-08-26 | Accumulator with foam plastic for a liquid driven hammer device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0202545A SE525600C2 (en) | 2002-08-29 | 2002-08-29 | Accumulator for liquid-powered percussion with a body of foamed plastic |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0202545D0 SE0202545D0 (en) | 2002-08-29 |
SE0202545L true SE0202545L (en) | 2004-03-01 |
SE525600C2 SE525600C2 (en) | 2005-03-15 |
Family
ID=20288823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0202545A SE525600C2 (en) | 2002-08-29 | 2002-08-29 | Accumulator for liquid-powered percussion with a body of foamed plastic |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003253548A1 (en) |
SE (1) | SE525600C2 (en) |
WO (1) | WO2004020155A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE533280C2 (en) | 2008-12-29 | 2010-08-10 | Atlas Copco Rock Drills Ab | Accumulator membrane assembly, method of manufacturing accumulator membrane assembly and rock drill containing such accumulator membrane assembly. |
US9151386B2 (en) | 2013-03-15 | 2015-10-06 | Caterpillar Inc. | Accumulator membrane for a hydraulic hammer |
US9555531B2 (en) | 2013-03-15 | 2017-01-31 | Caterpillar Inc. | Hydraulic hammer having co-axial accumulator and piston |
US9592598B2 (en) | 2013-03-15 | 2017-03-14 | Caterpillar Inc. | Hydraulic hammer having impact system subassembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231292A (en) * | 1989-05-04 | 1990-11-14 | Desoutter Ltd | Hydraulic impulse torque generator |
DE4035785C2 (en) * | 1990-11-10 | 1994-09-08 | Bosch Gmbh Robert | Bladder accumulator |
SE509915C2 (en) * | 1997-06-09 | 1999-03-22 | Atlas Copco Tools Ab | Hydraulic torque pulse generator |
-
2002
- 2002-08-29 SE SE0202545A patent/SE525600C2/en not_active IP Right Cessation
-
2003
- 2003-08-26 AU AU2003253548A patent/AU2003253548A1/en not_active Abandoned
- 2003-08-26 WO PCT/SE2003/001313 patent/WO2004020155A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE0202545D0 (en) | 2002-08-29 |
WO2004020155A1 (en) | 2004-03-11 |
AU2003253548A1 (en) | 2004-03-19 |
SE525600C2 (en) | 2005-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |