NL277490A - - Google Patents

Info

Publication number: NL277490A
Authority: NL; Netherlands

Application number

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.)

1961-04-20

Publication of NL277490A publication Critical patent/NL277490A/xx

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/005—Pistons; Trunk pistons; Plungers obtained by assembling several pieces
- F16J1/006—Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
- F16J10/02—Cylinders designed to receive moving pistons or plungers

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Mining & Mineral Resources (AREA)
Combustion & Propulsion (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Geochemistry & Mineralogy (AREA)
General Life Sciences & Earth Sciences (AREA)
Structural Engineering (AREA)
Pistons, Piston Rings, And Cylinders (AREA)
Earth Drilling (AREA)
Shaping Metal By Deep-Drawing, Or The Like (AREA)
Orthopedics, Nursing, And Contraception (AREA)
Transplanting Machines (AREA)
Reciprocating Pumps (AREA)
Actuator (AREA)

NL277490D 1961-04-20 NL277490A (pl)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DEB62205A DE1229480B (de)	1961-04-20	1961-04-20	Hydraulischer Grubenstempel
DE1963B0071366 DE1240018C2 (de)	1961-04-20	1963-04-01	Hydraulischer Grubenstempel
DEB74658A DE1292604B (de)	1961-04-20	1963-12-13	Hydraulischer Grubenstempel

Publications (1)

Publication Number	Publication Date
NL277490A true NL277490A (pl)

Family

ID=27209148

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL277490D NL277490A (pl)	1961-04-20
NL6411096A NL6411096A (pl)	1961-04-20	1964-09-23

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL6411096A NL6411096A (pl)	1961-04-20	1964-09-23

Country Status (4)

Country	Link
US (1)	US3166991A (pl)
DE (3)	DE1229480B (pl)
GB (3)	GB1010905A (pl)
NL (2)	NL6411096A (pl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2636794C2 (de) *	1975-09-09	1982-06-09	Voest-Alpine AG, 1011 Wien	Gebirgsschlagventil für hydraulische Grubenausbauelemente
US4009645A (en) *	1975-11-03	1977-03-01	Gerhart Engineering And Machine Company	Piston pump
US4073312A (en) *	1976-06-21	1978-02-14	National Distillers And Chemical Corporation	Charge and relief valve
US4203354A (en) *	1976-12-20	1980-05-20	The Bendix Corporation	Hydraulic piston with metallic O-ring groove and non-metallic slidable surfaces
US4165880A (en) *	1977-07-11	1979-08-28	Olsson Hans O	Sealing device
DE3734547A1 (de) *	1987-10-13	1989-05-03	Festo Kg	Kolben-zylinder-aggregat
US5230443A (en) *	1990-06-13	1993-07-27	Du Benjamin R	Condiment dispensing device
AT395047B (de) *	1990-11-21	1992-08-25	Reisner & Wolff Eng	Topfartiger hydraulikzylinder
US5299489A (en) *	1991-05-17	1994-04-05	Reo Hydraulic Pierce & Form	Pressure cylinder with low tolerance fit capable of supporting large transverse loads
US6062427A (en) *	1998-08-27	2000-05-16	Du Investments L.L.C.	Beer keg and pre-mixed beverage tank change-over device
US6099264A (en) *	1998-08-27	2000-08-08	Itt Manufacturing Enterprises, Inc.	Pump controller
US6343539B1 (en)	1999-11-10	2002-02-05	Benjamin R. Du	Multiple layer pump diaphragm
DE19954577C1 (de) *	1999-11-12	2001-06-21	Hyco Pacoma Gmbh	Liftzylindereinheit für eine Hebebühne
US9267375B2 (en)	2010-02-19	2016-02-23	Council Of Scientific & Industrial Research	Device for roof support of underground mine/tunnel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH92916A (fr) *	1920-10-13	1922-02-16	W H Dorman & Co Ltd	Colonne d'étayage pour tunnels, mines etc.
DE857679C (de) *	1943-10-18	1952-12-01	Smith S Jacking Systems Ltd	Druckmittelbetaetigtes Geraet, beispielsweise Wagenheber oder sonstiges Hebezeug
DE805586C (de) *	1945-11-16	1951-05-25	Ondulex Sarl Soc	Kolbenring
US2584926A (en) *	1949-08-05	1952-02-05	Birmingham Small Arms Co Ltd	Plunger for inflating pumps
DE847283C (de) *	1950-07-09	1952-08-21	Mannesmann Ag	Hydraulischer Grubenstempel
DE941541C (de) *	1952-04-09	1956-04-12	Eisenwerk Wanheim G M B H	Verstellbarer metallischer Grubenstempel
DE1063098B (de) *	1953-07-28	1959-08-13	Pleiger Maschf Paul	Druckluftvorschubstuetze fuer Gesteins-bohrhaemmer u. dgl. mit teleskopartig ineinander verschiebbaren Stuetzrohren
DE1044004B (de) *	1954-05-11	1958-11-20	Maschf	Hydraulischer Grubenstempel
DE1023436B (de) *	1955-11-24	1958-01-30	Hermann Schwarz Kommanditgesel	Hydraulischer Grubenstempel
BE558508A (pl) *	1956-06-21
BE559110A (pl) *	1956-07-11
BE560243A (pl) *	1956-08-25
BE560360A (pl) *	1956-08-29
FR1180897A (fr) *	1957-08-07	1959-06-10	Etude Hydraulique Dans L Ind E	Installation de soutènement de plafonds de mines
DE1103699B (de) *	1958-05-22	1961-03-30	Segments Amedee Bollee S A R L	Kolbenring
DE1059380B (de) *	1958-08-07	1959-06-18	Karl Gerlach	Mehrteiliger Grubenstempel

0
- NL NL277490D patent/NL277490A/xx unknown
1961
- 1961-04-20 DE DEB62205A patent/DE1229480B/de active Pending
1962
- 1962-04-12 US US187127A patent/US3166991A/en not_active Expired - Lifetime
- 1962-04-20 GB GB14243/62A patent/GB1010905A/en not_active Expired
1963
- 1963-04-01 DE DE1963B0071366 patent/DE1240018C2/de not_active Expired
- 1963-12-13 DE DEB74658A patent/DE1292604B/de active Pending
1964
- 1964-03-13 GB GB10637/64A patent/GB1037686A/en not_active Expired
- 1964-09-23 NL NL6411096A patent/NL6411096A/xx unknown
- 1964-10-13 GB GB41752/64A patent/GB1077857A/en not_active Expired

Also Published As

Publication number	Publication date
GB1077857A (en)	1967-08-02
DE1240018C2 (de)	1973-02-08
GB1010905A (en)	1965-11-24
DE1229480B (de)	1966-12-01
US3166991A (en)	1965-01-26
DE1240018B (de)	1967-05-11
GB1037686A (en)	1966-08-03
DE1292604B (de)	1969-04-17
NL6411096A (pl)	1965-06-14

Publication	Publication Date	Title
BE600841A (pl)
BE625189A (pl)
BE639502A (pl)
BE628316A (pl)
BE601041A (pl)
BE600983A (pl)
NL277490A (pl)
BE623825A (pl)
BE623385A (pl)
BE622956A (pl)
BE622785A (pl)	1963-03-25
BE622518A (pl)
BE622076A (pl)
BE621169A (pl)
BE620757A (pl)
BE618629A (pl)
BE602469A (pl)
BE602240A (pl)
BE602153A (pl)
BE602045A (pl)
BE601970A (pl)	1961-09-29
BE601847A (pl)
BE601846A (pl)
BE601844A (pl)
BE601744A (pl)