CA1327740C - Mode de desolidarisation du piston et du joint d'etancheite aux liquides des orifices d'admission et d'evacuation d'un appareil hydraulique - Google Patents

Mode de desolidarisation du piston et du joint d'etancheite aux liquides des orifices d'admission et d'evacuation d'un appareil hydraulique

Info

Publication number: CA1327740C
Authority: CA; Canada
Prior art keywords: piston; sleeve; fluid; pressure; chamber
Prior art date: 1988-04-19
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 - Lifetime

Application number

CA000564472A

Other languages

English (en)

Inventor

Mauro Vitulano

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.)

INDECO SpA

Original Assignee

INDECO S.P.A.

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.)

1988-04-19

Filing date

1988-04-19

Publication date

1994-03-15

1988-04-19 Application filed by INDECO S.P.A. filed Critical INDECO S.P.A.

1988-04-19 Priority to CA000564472A priority Critical patent/CA1327740C/fr

1989-05-01 Priority to AU33894/89A priority patent/AU3389489A/en

1989-05-01 Priority claimed from AU33894/89A external-priority patent/AU3389489A/en

1992-11-13 Priority to AU28380/92A priority patent/AU2838092A/en

1992-11-13 Priority claimed from AU28380/92A external-priority patent/AU2838092A/en

1994-03-15 Application granted granted Critical

1994-03-15 Publication of CA1327740C publication Critical patent/CA1327740C/fr

1995-06-16 Priority claimed from AU21738/95A external-priority patent/AU693543B2/en

2011-03-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000012530 fluid Substances 0.000 title claims abstract description 35
238000000034 method Methods 0.000 title claims abstract description 10
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
238000009527 percussion Methods 0.000 description 2
241000518994 Conta Species 0.000 description 1
230000002159 abnormal effect Effects 0.000 description 1
230000006735 deficit Effects 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1

Classifications

- 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

Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Percussive Tools And Related Accessories (AREA)

CA000564472A 1988-04-19 1988-04-19 Mode de desolidarisation du piston et du joint d'etancheite aux liquides des orifices d'admission et d'evacuation d'un appareil hydraulique Expired - Lifetime CA1327740C (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
CA000564472A CA1327740C (fr)	1988-04-19	1988-04-19	Mode de desolidarisation du piston et du joint d'etancheite aux liquides des orifices d'admission et d'evacuation d'un appareil hydraulique
AU33894/89A AU3389489A (en)	1988-04-19	1989-05-01	Method to make independent from piston wear the fluid tight seal of the inlet and outlet ports of fluid in a hydraulic appliance
AU28380/92A AU2838092A (en)	1988-04-19	1992-11-13	Method to make independent from piston wear the fluid tight seal of the inlet and outlet ports of fluid in a hydraulic appliance

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
CA000564472A CA1327740C (fr)	1988-04-19	1988-04-19	Mode de desolidarisation du piston et du joint d'etancheite aux liquides des orifices d'admission et d'evacuation d'un appareil hydraulique
AU33894/89A AU3389489A (en)	1988-04-19	1989-05-01	Method to make independent from piston wear the fluid tight seal of the inlet and outlet ports of fluid in a hydraulic appliance
AU28380/92A AU2838092A (en)	1988-04-19	1992-11-13	Method to make independent from piston wear the fluid tight seal of the inlet and outlet ports of fluid in a hydraulic appliance
AU21738/95A AU693543B2 (en)	1989-05-01	1995-06-16	Method to make independent from piston wear the fluid tight seal of the inlet and outlet ports of fluid in a hydraulic appliance

Publications (1)

Publication Number	Publication Date
CA1327740C true CA1327740C (fr)	1994-03-15

Family

ID=27422710

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000564472A Expired - Lifetime CA1327740C (fr)	1988-04-19	1988-04-19	Mode de desolidarisation du piston et du joint d'etancheite aux liquides des orifices d'admission et d'evacuation d'un appareil hydraulique

Country Status (1)

Country	Link
CA (1)	CA1327740C (fr)

1988
- 1988-04-19 CA CA000564472A patent/CA1327740C/fr not_active Expired - Lifetime

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Legal Events

Date	Code	Title	Description
2011-03-15	MKEX	Expiry	Effective date: 20110315