JPS4819130B1 - - Google Patents
Info
- Publication number
- JPS4819130B1 JPS4819130B1 JP45049083A JP4908370A JPS4819130B1 JP S4819130 B1 JPS4819130 B1 JP S4819130B1 JP 45049083 A JP45049083 A JP 45049083A JP 4908370 A JP4908370 A JP 4908370A JP S4819130 B1 JPS4819130 B1 JP S4819130B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/20—Making machine elements valve parts
- B21K1/24—Making machine elements valve parts valve bodies; valve seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/20—Making uncoated products by backward extrusion
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/047—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with wedge-shaped obturating members
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/10—Welded housings
- F16K27/105—Welded housings for gate valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Valve Housings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1928585A DE1928585C3 (de) | 1969-06-06 | 1969-06-06 | Verfahren zur Herstellung eines Zwischenrohteiles für ein Schiebergehäuse-Mittelteil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4819130B1 true JPS4819130B1 (https=) | 1973-06-11 |
Family
ID=5736133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45049083A Pending JPS4819130B1 (https=) | 1969-06-06 | 1970-06-06 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4819130B1 (https=) |
| AT (1) | AT302758B (https=) |
| CA (1) | CA942733A (https=) |
| DE (1) | DE1928585C3 (https=) |
| FR (1) | FR2050046A5 (https=) |
| GB (1) | GB1305095A (https=) |
| NL (1) | NL160066C (https=) |
| SE (1) | SE359361B (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2849819A1 (de) * | 1978-11-14 | 1980-05-22 | Mannesmann Ag | Verfahren zur herstellung von schiebergehaeusen |
| CN119747425B (zh) * | 2025-01-02 | 2025-10-24 | 中国航发北京航空材料研究院 | 一种变径铝合金管材成形方法及其装置 |
-
1969
- 1969-06-06 DE DE1928585A patent/DE1928585C3/de not_active Expired
-
1970
- 1970-04-13 AT AT338070A patent/AT302758B/de not_active IP Right Cessation
- 1970-05-12 GB GB2283970A patent/GB1305095A/en not_active Expired
- 1970-05-22 SE SE07089/70A patent/SE359361B/xx unknown
- 1970-06-02 NL NL7007976.A patent/NL160066C/xx active
- 1970-06-05 CA CA 84771 patent/CA942733A/en not_active Expired
- 1970-06-05 FR FR7020851A patent/FR2050046A5/fr not_active Expired
- 1970-06-06 JP JP45049083A patent/JPS4819130B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2050046A5 (https=) | 1971-03-26 |
| NL160066B (nl) | 1979-04-17 |
| AT302758B (de) | 1972-10-25 |
| DE1928585C3 (de) | 1974-01-10 |
| SE359361B (https=) | 1973-08-27 |
| NL7007976A (https=) | 1970-12-08 |
| CA942733A (en) | 1974-02-26 |
| DE1928585A1 (de) | 1970-12-10 |
| NL160066C (nl) | 1979-09-17 |
| GB1305095A (https=) | 1973-01-31 |