NL7601213A - Schachtafdichting voor een onder hoge druk staande klep o.d. - Google Patents
Schachtafdichting voor een onder hoge druk staande klep o.d.Info
- Publication number
- NL7601213A NL7601213A NL7601213A NL7601213A NL7601213A NL 7601213 A NL7601213 A NL 7601213A NL 7601213 A NL7601213 A NL 7601213A NL 7601213 A NL7601213 A NL 7601213A NL 7601213 A NL7601213 A NL 7601213A
- Authority
- NL
- Netherlands
- Prior art keywords
- high pressure
- pressure valve
- shaft sealing
- sealing
- shaft
- Prior art date
Links
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
- F16J15/006—Sealings comprising at least two sealings in succession with division of the pressure
-
- 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
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/924—Deformation, material removal, or molding for manufacture of seal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Details Of Valves (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/560,237 US3990679A (en) | 1975-03-20 | 1975-03-20 | Stem sealing for high pressure valve or the like |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7601213A true NL7601213A (nl) | 1976-09-22 |
NL164649B NL164649B (nl) | 1980-08-15 |
NL164649C NL164649C (nl) | 1981-01-15 |
Family
ID=24236932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7601213.A NL164649C (nl) | 1975-03-20 | 1976-02-06 | Inrichting waarbij een van de buitenlucht afgesloten ruimte aanwezig is voor het bevatten van een onder hoge druk staand fluidum, waarop een lichaam met een asdoorgang aansluit, waarbij om die as afdichtkamers zijn aangebracht, waarin zich plastisch materiaal bevindt onder een druk die afneemt naarmate de kamer verder van de ruimte verwijderd is. |
Country Status (9)
Country | Link |
---|---|
US (2) | US3990679A (nl) |
JP (1) | JPS51111553A (nl) |
CA (1) | CA1048989A (nl) |
DE (1) | DE2556900C2 (nl) |
FR (1) | FR2304849A1 (nl) |
GB (1) | GB1533062A (nl) |
IT (1) | IT1053968B (nl) |
NL (1) | NL164649C (nl) |
NO (1) | NO140438C (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4475735A (en) * | 1982-03-08 | 1984-10-09 | Brennstoffinstitut Freiberg | System for sealing shafts against solid containing gaseous media |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4340204A (en) * | 1976-02-06 | 1982-07-20 | Smith International, Inc. | High pressure gate valve with preloaded, stacked, solid lubricated stem seals |
US4099919A (en) * | 1976-12-22 | 1978-07-11 | The Upjohn Company | Stem adjustment seal for reaction injection molding machine |
US4149558A (en) * | 1977-05-25 | 1979-04-17 | Combustion Engineering, Inc. | Selective back seat valve |
US4307745A (en) * | 1978-10-27 | 1981-12-29 | Combustion Engineering, Inc. | Backseating and stop for valve operator |
US4561679A (en) * | 1982-07-26 | 1985-12-31 | Exxon Production Research Co. | Seal pressure reduction system |
US4575101A (en) * | 1984-09-12 | 1986-03-11 | Chevron Research Company | Device for safe on-stream addition of valve packing |
GB2230063A (en) * | 1989-04-05 | 1990-10-10 | Vickers Plc | Multi-element shaft seal |
US5244183A (en) * | 1991-03-20 | 1993-09-14 | Keystone International Holdings Corp. | Fugitive emission sealing assembly |
AU2092095A (en) * | 1994-03-04 | 1995-09-18 | Safoco, Inc. | Valve actuator apparatus and method |
US5732731A (en) * | 1996-09-24 | 1998-03-31 | Fmc Corporation | Secondary seal bypass valve for gate valves |
US5979483A (en) * | 1998-06-24 | 1999-11-09 | Occidental Chemical Corporation | Valve assembly and method |
US6959912B2 (en) | 2003-04-29 | 2005-11-01 | Itt Manufacturing Enterprises, Inc. | Injectable packing unit in a single knife gate body |
US7059586B2 (en) | 2004-04-01 | 2006-06-13 | Itt Manufacturing Enterprises, Inc. | Knife gate valve having elastomeric gate and chest seals |
US20060175567A1 (en) * | 2005-02-09 | 2006-08-10 | General Electric Company | Combined piston ring and staged leak-off sealing of valve stem |
US20070080501A1 (en) * | 2005-09-16 | 2007-04-12 | Bal Seal Engineering Co., Inc. | Pressure gradient rotary sealing system |
US20080067754A1 (en) * | 2006-09-14 | 2008-03-20 | John Schroeder | Pressure gradient rotary sealing system with external piston |
US8807528B2 (en) * | 2010-10-21 | 2014-08-19 | Vetco Gray Inc. | Selective torque operator for a valve |
US9010725B2 (en) * | 2011-12-21 | 2015-04-21 | Vetco Gray Inc. | Valve vented redundant stem seal system |
US9897215B2 (en) | 2012-12-31 | 2018-02-20 | Vetco Gray Inc. | Multi-valve seat seal assembly for a gate valve |
CA2855789C (en) * | 2014-07-04 | 2015-07-28 | Progressive Oilfield Services Ltd. | Improved tool for unseizing and lubricating well valves, and method of unseizing said valves |
US11480253B2 (en) * | 2019-07-31 | 2022-10-25 | Oil Patch Group, Inc. | Hydralock frac valve |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB704032A (nl) * | 1900-01-01 | |||
GB216573A (en) * | 1923-02-28 | 1924-05-28 | John Fox Jennens Malone | A high pressure gland |
FR853765A (fr) | 1950-10-31 | 1940-03-28 | Garniture d'étanchétité pour pistons à hautes pressions | |
US2856209A (en) * | 1954-12-08 | 1958-10-14 | Worthington Corp | Packing for rotary element or shaft |
US3049082A (en) * | 1958-05-26 | 1962-08-14 | John W Mecom | Reciprocating pump |
US3135285A (en) * | 1959-08-24 | 1964-06-02 | Alexander S Volpin | Automatic sealed gate valve |
CH391405A (de) | 1959-09-05 | 1965-04-30 | Basf Ag | Plungerabdichtung mit Nutringstoffbüchse |
US3199876A (en) * | 1963-06-10 | 1965-08-10 | Crane Co | Stuffing box construction |
GB1098173A (en) * | 1963-08-15 | 1968-01-10 | Audco Ltd | Sealing means |
US3288473A (en) * | 1963-10-09 | 1966-11-29 | Oil Ct Res Inc | Stuffing box |
US3307826A (en) * | 1963-12-02 | 1967-03-07 | Acf Ind Inc | Bifaced gate valve |
US3325173A (en) * | 1964-05-18 | 1967-06-13 | Diamond Alkali Co | High pressure packing |
US3334906A (en) * | 1965-02-18 | 1967-08-08 | Koppers Co Inc | Shaft seal |
DE1994899U (de) * | 1965-08-27 | 1968-10-17 | Elba Werk Maschinen Gmbh & Co | Wellendichtung, insbesondere fuer mischtroege von betonmischern. |
US3544116A (en) * | 1967-11-02 | 1970-12-01 | Ingersoll Rand Co | Fluid sealing arrangement |
US3533635A (en) | 1968-05-10 | 1970-10-13 | Dresser Ind | Pressure controlled shaft seal injection system |
US3578341A (en) * | 1968-05-21 | 1971-05-11 | Singer General Precision | Seal assembly for a hydraulically operated cylinder |
US3544064A (en) * | 1969-07-11 | 1970-12-01 | Bernard Carlin | Blow-out proof packing for axially movable rod or shaft |
US3599991A (en) * | 1969-10-31 | 1971-08-17 | Grove Valve & Regulator Co | Auxiliary valve stem seal |
US3572735A (en) * | 1969-11-17 | 1971-03-30 | North American Rockwell | Captive plastic seal |
DE2143736A1 (de) * | 1971-09-01 | 1973-03-08 | Erno Raumfahrttechnik Gmbh | Anordnung zum abdichten von wellendurchfuehrungen |
IT959643B (it) | 1972-04-24 | 1973-11-10 | Nuovo Pignone Spa | Dispositivo accumulatore di olio ad elevata pressione e regolatore della stessa da impiegarsi per tenute ad olio di compressori cen trifughi ad elevata pressione |
US3883112A (en) * | 1973-02-02 | 1975-05-13 | Rockwell International Corp | Plug valve having composite seat element |
-
1975
- 1975-03-20 US US05/560,237 patent/US3990679A/en not_active Expired - Lifetime
- 1975-12-17 DE DE2556900A patent/DE2556900C2/de not_active Expired
- 1975-12-18 CA CA75242239A patent/CA1048989A/en not_active Expired
-
1976
- 1976-01-06 FR FR7600169A patent/FR2304849A1/fr active Granted
- 1976-01-16 NO NO760146A patent/NO140438C/no unknown
- 1976-01-21 JP JP51005790A patent/JPS51111553A/ja active Granted
- 1976-02-06 NL NL7601213.A patent/NL164649C/nl not_active IP Right Cessation
- 1976-02-10 IT IT48032/76A patent/IT1053968B/it active
- 1976-03-12 GB GB10004/76A patent/GB1533062A/en not_active Expired
-
1977
- 1977-09-15 US US05/833,605 patent/USRE29679E/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4475735A (en) * | 1982-03-08 | 1984-10-09 | Brennstoffinstitut Freiberg | System for sealing shafts against solid containing gaseous media |
Also Published As
Publication number | Publication date |
---|---|
NO140438C (no) | 1979-08-29 |
GB1533062A (en) | 1978-11-22 |
DE2556900A1 (de) | 1976-10-07 |
JPS5410066B2 (nl) | 1979-05-01 |
NL164649C (nl) | 1981-01-15 |
CA1048989A (en) | 1979-02-20 |
USRE29679E (en) | 1978-06-27 |
FR2304849A1 (fr) | 1976-10-15 |
NO140438B (no) | 1979-05-21 |
IT1053968B (it) | 1981-10-10 |
NL164649B (nl) | 1980-08-15 |
FR2304849B1 (nl) | 1983-02-11 |
JPS51111553A (en) | 1976-10-01 |
US3990679A (en) | 1976-11-09 |
DE2556900C2 (de) | 1983-03-03 |
NO760146L (nl) | 1976-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: COMBUSTION ENGINEERING INC. |
|
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: GRAY TOOL COMPANY |
|
V1 | Lapsed because of non-payment of the annual fee |