GB1349510A - Annular sealing devices - Google Patents
Annular sealing devicesInfo
- Publication number
- GB1349510A GB1349510A GB1349510DA GB1349510A GB 1349510 A GB1349510 A GB 1349510A GB 1349510D A GB1349510D A GB 1349510DA GB 1349510 A GB1349510 A GB 1349510A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spacer ring
- ring
- piston
- sealing
- spring
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
- F16J9/064—Rings with a flat annular side rail
- F16J9/066—Spring expander from sheet metal
-
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
- F16J9/14—Joint-closures
- F16J9/145—Joint-closures of spring expanders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
1349510 Piston rings; shaft seals HEPWORTH & GRANDAGE Ltd 10 May 1971 [15 May 1970] 23773/70 Addition to 1099235 Headings F2B and F2T In a split spacer ring for a sealing ring 32 having integral independently operable circumferentially spaced leaf springs 14 for engaging the sealing ring and two axially spaced faces 22, the ends of the spacer ring are radially aligned by projections 24 on one end of at least one of the faces 22 engaging a recess 26 in the other end. The spacer ring is formed from spring steel strip and each spring 14 has a cross link 16 to engage two sealing rings 32. A projection 24 and corresponding recess 26 are provided on the free ends of each face 22 and the projections are engaged by a link 16a of a leaf spring 14a. The composite piston ring 30, Fig. 3, comprises two split sealing rings 32 located with the spacer ring in a groove 38 in a piston 39 and urged against the cylinder bore 40 by the springs 14. The spacer ring may be of rectangular crosssection as shown or of U-section. The invention may be applied to a shaft seal.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2377370 | 1970-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1349510A true GB1349510A (en) | 1974-04-03 |
Family
ID=10201102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1349510D Expired GB1349510A (en) | 1970-05-15 | 1970-05-15 | Annular sealing devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1349510A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2307956A (en) * | 1995-12-08 | 1997-06-11 | Riken Kk | Seal device for piston rod |
-
1970
- 1970-05-15 GB GB1349510D patent/GB1349510A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2307956A (en) * | 1995-12-08 | 1997-06-11 | Riken Kk | Seal device for piston rod |
US5788246A (en) * | 1995-12-08 | 1998-08-04 | Kabushiki Kaisha Riken | Seal device for piston rod |
GB2307956B (en) * | 1995-12-08 | 1999-10-20 | Riken Kk | Seal device for piston rod |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PE | Patent expired |