FR2262243A1 - - Google Patents
Info
- Publication number
- FR2262243A1 FR2262243A1 FR7505979A FR7505979A FR2262243A1 FR 2262243 A1 FR2262243 A1 FR 2262243A1 FR 7505979 A FR7505979 A FR 7505979A FR 7505979 A FR7505979 A FR 7505979A FR 2262243 A1 FR2262243 A1 FR 2262243A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B9/00—Stoves for heating the blast in blast furnaces
- C21B9/10—Other details, e.g. blast mains
- C21B9/12—Hot-blast valves or slides for blast furnaces
-
- 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
- Y10S251/00—Valves and valve actuation
- Y10S251/90—Valves with o-rings
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86759—Reciprocating
- Y10T137/86767—Spool
- Y10T137/86775—With internal passage
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87265—Dividing into parallel flow paths with recombining
- Y10T137/8741—With common operator
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sliding Valves (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Sealing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742409444 DE2409444C2 (de) | 1974-02-27 | Absperr- und Regelschieber, insbesondere für Cowperarmaturen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2262243A1 true FR2262243A1 (fr) | 1975-09-19 |
FR2262243B3 FR2262243B3 (fr) | 1977-11-04 |
Family
ID=5908623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7505979A Expired FR2262243B3 (fr) | 1974-02-27 | 1975-02-26 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3970109A (fr) |
JP (1) | JPS5317330B2 (fr) |
FR (1) | FR2262243B3 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274445A (en) * | 1979-04-10 | 1981-06-23 | Pall Corporation | Pressure balanced three-way transfer valve |
US4395017A (en) * | 1980-02-25 | 1983-07-26 | Dover Corporation | Butterfly valve sealing means having an improved O-ring groove |
JPH022566Y2 (fr) * | 1986-12-13 | 1990-01-22 | ||
US6227229B1 (en) | 2000-02-08 | 2001-05-08 | Flow-Rite Controls, Ltd. | High gain fluid control valve assembly |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US652029A (en) * | 1899-06-19 | 1900-06-19 | Hugo Lentz | Balanced valve. |
US865798A (en) * | 1907-01-16 | 1907-09-10 | John Peterson | Valve. |
GB191416662A (en) * | 1913-07-17 | 1915-07-08 | Karl Roeder | Improvements in Tubular Double Seated Valves. |
US2417494A (en) * | 1942-08-24 | 1947-03-18 | Hoof Products Company | Valve end seal |
US3572382A (en) * | 1969-01-31 | 1971-03-23 | Fred J Luthe | Single-ported double-seated valve mechanism |
-
1975
- 1975-02-20 US US05/551,509 patent/US3970109A/en not_active Expired - Lifetime
- 1975-02-26 FR FR7505979A patent/FR2262243B3/fr not_active Expired
- 1975-02-27 JP JP2351675A patent/JPS5317330B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS50143120A (fr) | 1975-11-18 |
DE2409444A1 (fr) | 1975-06-05 |
FR2262243B3 (fr) | 1977-11-04 |
JPS5317330B2 (fr) | 1978-06-07 |
DE2409444B1 (de) | 1975-06-05 |
US3970109A (en) | 1976-07-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |