FR858939A - Hermetic device for vacuum chambers - Google Patents

Hermetic device for vacuum chambers

Info

Publication number
FR858939A
FR858939A FR858939DA FR858939A FR 858939 A FR858939 A FR 858939A FR 858939D A FR858939D A FR 858939DA FR 858939 A FR858939 A FR 858939A
Authority
FR
France
Prior art keywords
vacuum chambers
hermetic device
hermetic
chambers
vacuum
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Application granted granted Critical
Publication of FR858939A publication Critical patent/FR858939A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86083—Vacuum pump

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR858939D 1938-08-24 1939-08-10 Hermetic device for vacuum chambers Expired FR858939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24882/38A GB518526A (en) 1938-08-24 1938-08-24 Improvements in and relating to glands for vacuum chambers

Publications (1)

Publication Number Publication Date
FR858939A true FR858939A (en) 1940-12-06

Family

ID=10218738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858939D Expired FR858939A (en) 1938-08-24 1939-08-10 Hermetic device for vacuum chambers

Country Status (5)

Country Link
US (1) US2215449A (en)
BE (1) BE435921A (en)
FR (1) FR858939A (en)
GB (1) GB518526A (en)
NL (1) NL52943C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488200A (en) * 1946-07-01 1949-11-15 Gen Electric X Ray Corp Rotating vacuum seal
US2758855A (en) * 1952-07-24 1956-08-14 Exxon Research Engineering Co Packing gland seal
DE1109471B (en) * 1957-02-20 1961-06-22 Nandor Perlaki Dipl Ing Stuffing box with a liquid seal for vertical shafts on chemical apparatus that work alternately under overpressure and vacuum
US3115347A (en) * 1961-08-22 1963-12-24 Nettco Corp Container having means for preventing escape of fluid therefrom where a shaft enters the same
FR1353049A (en) * 1963-01-12 1964-02-21 Saint Gobain Method and devices for treating glass articles during their manufacture
US4008899A (en) * 1976-01-27 1977-02-22 The United States Of America As Represented By The United States Energy Research And Development Administration Seal for permitting transfer of tape from one pressure region to a region of substantially different pressure
GB2107810B (en) * 1981-10-20 1985-03-06 Shell Int Research Sealing a gap around a conductor pipe in an offshore structure
JP3669422B2 (en) 2000-05-29 2005-07-06 日本電気株式会社 Folding mobile phone

Also Published As

Publication number Publication date
US2215449A (en) 1940-09-24
NL52943C (en) 1900-01-01
BE435921A (en) 1900-01-01
GB518526A (en) 1940-02-29

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