NO743801L - - Google Patents

Info

Publication number: NO743801L
Authority: NO; Norway
Prior art keywords: valve; piston; pressure; line; slide
Prior art date: 1973-10-23

Application number

NO743801A

Other languages

English (en)

Norwegian (no)

Inventor

S O Hammarstrand

Original Assignee

Svenska Hymas Ab

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.)

1973-10-23

Filing date

1974-10-22

Publication date

1975-05-20

1974-10-22 Application filed by Svenska Hymas Ab filed Critical Svenska Hymas Ab

1975-05-20 Publication of NO743801L publication Critical patent/NO743801L/no

Links

238000006073 displacement reaction Methods 0.000 claims description 5
239000012530 fluid Substances 0.000 claims description 5
230000006835 compression Effects 0.000 claims description 3
238000007906 compression Methods 0.000 claims description 3
238000009527 percussion Methods 0.000 claims description 3
230000003993 interaction Effects 0.000 claims 2
239000007788 liquid Substances 0.000 claims 1
239000003921 oil Substances 0.000 description 51
241000287509 Piciformes Species 0.000 description 3
230000006978 adaptation Effects 0.000 description 3
210000000056 organ Anatomy 0.000 description 3
238000010276 construction Methods 0.000 description 2
238000005553 drilling Methods 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
239000011435 rock Substances 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000010720 hydraulic oil Substances 0.000 description 1
230000036316 preload Effects 0.000 description 1

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H43/00—Other fluid gearing, e.g. with oscillating input or output
- 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
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
- 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
- B25D9/16—Valve arrangements therefor
- B25D9/18—Valve arrangements therefor involving a piston-type slide valve
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D2209/002—Pressure accumulators

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Percussive Tools And Related Accessories (AREA)
Fluid-Pressure Circuits (AREA)
Press Drives And Press Lines (AREA)

NO743801A 1973-10-23 1974-10-22 NO743801L (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7314391A SE391664B (sv)	1973-10-23	1973-10-23	Anordning vid hydrauliskt drivet slagverktyg

Publications (1)

Publication Number	Publication Date
NO743801L true NO743801L (de)	1975-05-20

Family

ID=20318900

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO743801A NO743801L (de)	1973-10-23	1974-10-22

Country Status (10)

Country	Link
US (1)	US3942322A (de)
AT (1)	AT334853B (de)
CH (1)	CH582560A5 (de)
ES (1)	ES431130A1 (de)
FI (1)	FI285274A7 (de)
FR (1)	FR2248122B1 (de)
GB (1)	GB1436079A (de)
NL (1)	NL7413820A (de)
NO (1)	NO743801L (de)
SE (1)	SE391664B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES469097A1 (es) *	1978-03-31	1980-06-16	Crespo Jose T G	Aparato hidraulico para producir impactos
ES2044995T5 (es) *	1988-04-06	1996-10-16	Nippon Pneumatic Mfg	Herramienta hidraulica de impacto.
FR2633339A1 (fr) *	1988-06-28	1989-12-29	Eimco Secoma	Dispositif pour le controle du bon fonctionnement d'un accumulateur appartenant a un appareil ou circuit hydraulique
ES2024251A6 (es) *	1990-05-14	1992-02-16	Tapias Puig Marcelino	Perfeccionamientos en la fabricacion de martillos hidraulicos.
FI104959B (fi) *	1994-06-23	2000-05-15	Sandvik Tamrock Oy	Hydraulinen iskuvasara
SE503032C2 (sv) *	1995-02-13	1996-03-11	Cams Maskinteknik Ab	Sätt och tryckfluidsystem för variabel kraftutövning
DE19507348A1 (de) *	1995-03-02	1996-09-05	Krupp Maschinentechnik	Verfahren zur Beeinflussung des Betriebsverhaltens eines fluidbetriebenen Schlagwerks und zur Durchführung des Verfahrens geeignetes Schlagwerk
FI104960B (fi) *	1995-07-06	2000-05-15	Sandvik Tamrock Oy	Hydraulinen iskuvasara
US8939227B2 (en)	2010-12-23	2015-01-27	Caterpillar Inc.	Pressure protection valve for hydraulic tool
FR3007154B1 (fr) *	2013-06-12	2015-06-05	Montabert Roger	Procede de commande de l’energie d’impact d’un piston de frappe d’un appareil a percussions
US9701003B2 (en) *	2014-05-23	2017-07-11	Caterpillar Inc.	Hydraulic hammer having delayed automatic shutoff
CA3029255A1 (en) *	2016-06-24	2017-12-28	Berry Metal Company	Pneumatic drilling device
KR102379351B1 (ko) *	2016-07-27	2022-03-28	대모 엔지니어링 주식회사	유압식 타격 기기 및 이를 포함하는 건설 장비
KR102379349B1 (ko) *	2016-07-27	2022-03-28	대모 엔지니어링 주식회사	유압식 타격 기기 및 이를 포함하는 건설 장비
CN107605719B (zh) *	2017-09-01	2019-04-02	贵州创能科技有限公司	一种机械式联动控制推拉装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1594217A (en) *	1925-11-03	1926-07-27	Ingersoll Rand Co	Blowing device
US2802336A (en) *	1953-07-23	1957-08-13	Joy Mfg Co	Fluid motor driven shaker conveyor
US3412646A (en) *	1965-06-28	1968-11-26	Rufus B. Johnston	Reciprocating piston type motor systems

1973
- 1973-10-23 SE SE7314391A patent/SE391664B/xx unknown
1974
- 1974-09-30 FI FI2852/74A patent/FI285274A7/fi unknown
- 1974-10-18 GB GB4526574A patent/GB1436079A/en not_active Expired
- 1974-10-18 ES ES431130A patent/ES431130A1/es not_active Expired
- 1974-10-18 US US05/515,926 patent/US3942322A/en not_active Expired - Lifetime
- 1974-10-22 NL NL7413820A patent/NL7413820A/xx unknown
- 1974-10-22 NO NO743801A patent/NO743801L/no unknown
- 1974-10-22 FR FR7435389A patent/FR2248122B1/fr not_active Expired
- 1974-10-23 CH CH1421574A patent/CH582560A5/xx not_active IP Right Cessation
- 1974-10-23 AT AT853274A patent/AT334853B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
ES431130A1 (es)	1976-10-16
DE2450110A1 (de)	1975-04-24
DE2450110B2 (de)	1976-07-29
NL7413820A (nl)	1975-04-25
CH582560A5 (de)	1976-12-15
SE7314391L (de)	1975-04-24
ATA853274A (de)	1976-06-15
SE391664B (sv)	1977-02-28
US3942322A (en)	1976-03-09
FI285274A7 (de)	1975-04-24
GB1436079A (en)	1976-05-19
AT334853B (de)	1977-02-10
FR2248122B1 (de)	1978-07-13
FR2248122A1 (de)	1975-05-16

Publication	Publication Date	Title
US3942322A (en)	1976-03-09	Device in hydraulic percussion tools
US2526956A (en)	1950-10-24	Fluid actuated reciprocating tool
NO170237B (no)	1992-06-15	Hydraulisk aktuatorkrets for sykeseng
NO156617B (no)	1987-07-13	Sanitaert klosett.
DE2147935B2 (de)	1973-02-22	Schlagwerkzeug
ES446108A1 (es)	1977-06-01	Perfeccionamientos en aparatos de percusion hidraulicos.
JP2014513221A (ja)	2014-05-29	岩盤及びコンクリートの機械掘り用装置及び方法
NO326485B1 (no)	2008-12-15	Impulsgenerator og fremgangsmåte for impulsgenerering
CA2484699C (en)	2011-05-03	Percussion device with a transmission element compressing an elastic energy storing material
GB872951A (en)	1961-07-12	Hydraulic ram apparatus
US1700363A (en)	1929-01-29	Hydraulic press
NO318421B1 (no)	2005-03-14	Hydraulisk slagapparat
GB872950A (en)	1961-07-12	Control units for hydraulic rams
FR2536246B1 (de)	1985-03-22
US2876709A (en)	1959-03-10	Track packing or tamping machine
CH400948A (de)	1965-10-15	Hydraulische Werkstück-Einspannvorrichtung an hydraulischer Presse für Widerstandsschweissung
US3530743A (en)	1970-09-29	Machine tool feed means
DE461398C (de)	1928-06-19	Rueckzugvorrichtung fuer das Obermesser bei von unten nach oben schneidenden elektrohydraulischen Block- und Brammenscheren
US2832196A (en)	1958-04-29	Hydraulic circuit for two phase return stroke ram
US3532017A (en)	1970-10-06	Hydraulic device for the control of oil pressure pistons
US545777A (en)	1895-09-03	Elijah beans cornell
GB435390A (en)	1935-09-16	Improvements in or relating to riveting machines
US1700956A (en)	1929-02-05	Slide valve
US1723730A (en)	1929-08-06	Foot control for shank and bit punches
GB1564925A (en)	1980-04-16	Underwater power tools