GB1289558A - - Google Patents
Info
- Publication number
- GB1289558A GB1289558A GB1289558DA GB1289558A GB 1289558 A GB1289558 A GB 1289558A GB 1289558D A GB1289558D A GB 1289558DA GB 1289558 A GB1289558 A GB 1289558A
- Authority
- GB
- United Kingdom
- Prior art keywords
- division
- shovel
- sheppard
- booms
- pistons
- 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
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
- F16J15/56—Other sealings for reciprocating rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB188370 | 1970-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1289558A true GB1289558A (fr) | 1972-09-20 |
Family
ID=9729737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1289558D Expired GB1289558A (fr) | 1970-01-14 | 1970-01-14 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1289558A (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2196049A5 (fr) * | 1972-08-07 | 1974-03-08 | Skega Ab | |
US4059280A (en) * | 1975-07-02 | 1977-11-22 | Hall & Hall Limited | Seal ring assembly |
US4167262A (en) * | 1976-10-12 | 1979-09-11 | Hunt Valve Co., Inc. | Pilot actuated valve |
DE2911156A1 (de) * | 1979-03-22 | 1980-09-25 | Merkel Kg Martin | Doppeltwirkende dichtungsanordnung |
GB2145192A (en) * | 1983-08-15 | 1985-03-20 | Baker Oil Tools Inc | Dynamic seal for well tools |
-
1970
- 1970-01-14 GB GB1289558D patent/GB1289558A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2196049A5 (fr) * | 1972-08-07 | 1974-03-08 | Skega Ab | |
US4059280A (en) * | 1975-07-02 | 1977-11-22 | Hall & Hall Limited | Seal ring assembly |
US4167262A (en) * | 1976-10-12 | 1979-09-11 | Hunt Valve Co., Inc. | Pilot actuated valve |
DE2911156A1 (de) * | 1979-03-22 | 1980-09-25 | Merkel Kg Martin | Doppeltwirkende dichtungsanordnung |
GB2145192A (en) * | 1983-08-15 | 1985-03-20 | Baker Oil Tools Inc | Dynamic seal for well tools |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |