DE3712331C2 - - Google Patents
Info
- Publication number
- DE3712331C2 DE3712331C2 DE3712331A DE3712331A DE3712331C2 DE 3712331 C2 DE3712331 C2 DE 3712331C2 DE 3712331 A DE3712331 A DE 3712331A DE 3712331 A DE3712331 A DE 3712331A DE 3712331 C2 DE3712331 C2 DE 3712331C2
- Authority
- DE
- Germany
- Prior art keywords
- chamber
- piston element
- sealing ring
- piston
- annular
- Prior art date
- 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 - Fee Related
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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- 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
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
- F16J15/48—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
- Actuator (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873712331 DE3712331A1 (de) | 1987-04-11 | 1987-04-11 | Vorrichtung zum abdichten einer luftkammer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873712331 DE3712331A1 (de) | 1987-04-11 | 1987-04-11 | Vorrichtung zum abdichten einer luftkammer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3712331A1 DE3712331A1 (de) | 1988-10-27 |
DE3712331C2 true DE3712331C2 (it) | 1991-02-21 |
Family
ID=6325432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873712331 Granted DE3712331A1 (de) | 1987-04-11 | 1987-04-11 | Vorrichtung zum abdichten einer luftkammer |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3712331A1 (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112161656B (zh) * | 2020-09-30 | 2022-09-06 | 深圳市宝信欣旺科技有限公司 | 一种圆环状pcb板的光学检测系统与检测方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE612836C (de) * | 1934-02-07 | 1935-05-06 | Wolfgang Loeffler | Rolldichtung fuer Kolbenmaschinen, insbesondere fuer Pumpen, Stopfbuechsen o. dgl., mit einem zwischen dem Kolben und dem Gehaeuse angeordneten elastischen Dichtungsring |
US2297396A (en) * | 1938-11-15 | 1942-09-29 | Farina Giovanni | High pressure hydraulic piston packing |
US2476021A (en) * | 1946-02-11 | 1949-07-12 | Wingfoot Corp | Packing |
DE3336209C2 (de) * | 1983-10-05 | 1985-08-14 | Concordia Fluidtechnik Gmbh, 7000 Stuttgart | Kolbendichtung |
-
1987
- 1987-04-11 DE DE19873712331 patent/DE3712331A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3712331A1 (de) | 1988-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |