FR1238826A - Perfectionnements apportés aux joints dynamiques d'étanchéité, notamment à ceux fonctionnant à sec - Google Patents
Perfectionnements apportés aux joints dynamiques d'étanchéité, notamment à ceux fonctionnant à secInfo
- Publication number
- FR1238826A FR1238826A FR799548A FR799548A FR1238826A FR 1238826 A FR1238826 A FR 1238826A FR 799548 A FR799548 A FR 799548A FR 799548 A FR799548 A FR 799548A FR 1238826 A FR1238826 A FR 1238826A
- Authority
- FR
- France
- Prior art keywords
- especially those
- improvements made
- those operating
- dynamic seals
- operating dry
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
- F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
- F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR799548A FR1238826A (fr) | 1959-07-07 | 1959-07-07 | Perfectionnements apportés aux joints dynamiques d'étanchéité, notamment à ceux fonctionnant à sec |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR799548A FR1238826A (fr) | 1959-07-07 | 1959-07-07 | Perfectionnements apportés aux joints dynamiques d'étanchéité, notamment à ceux fonctionnant à sec |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1238826A true FR1238826A (fr) | 1960-08-19 |
Family
ID=8716898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR799548A Expired FR1238826A (fr) | 1959-07-07 | 1959-07-07 | Perfectionnements apportés aux joints dynamiques d'étanchéité, notamment à ceux fonctionnant à sec |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1238826A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0870956A1 (fr) * | 1995-11-10 | 1998-10-14 | Nikuni Machinery Industrial Co., Ltd. | Garniture mécanique d'étanchéité |
IT202100030689A1 (it) * | 2021-12-03 | 2023-06-03 | Umbra Meccanotecnica | Anello di tenuta e giunto per impianti di perforazione petroliferi |
-
1959
- 1959-07-07 FR FR799548A patent/FR1238826A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0870956A1 (fr) * | 1995-11-10 | 1998-10-14 | Nikuni Machinery Industrial Co., Ltd. | Garniture mécanique d'étanchéité |
US6485021B1 (en) | 1995-11-10 | 2002-11-26 | Nikuni Machinery Ind Co | Mechanical seal unit with temporarily connecting inlet and outlet grooves |
IT202100030689A1 (it) * | 2021-12-03 | 2023-06-03 | Umbra Meccanotecnica | Anello di tenuta e giunto per impianti di perforazione petroliferi |
WO2023100039A1 (fr) * | 2021-12-03 | 2023-06-08 | Meccanotecnica Umbra S.P.A. | Bague d'étanchéité et joint pour installation de forage pétrolier |
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