FR1011639A - Method and apparatus for producing voids - Google Patents

Method and apparatus for producing voids

Info

Publication number
FR1011639A
FR1011639A FR1011639DA FR1011639A FR 1011639 A FR1011639 A FR 1011639A FR 1011639D A FR1011639D A FR 1011639DA FR 1011639 A FR1011639 A FR 1011639A
Authority
FR
France
Prior art keywords
producing voids
voids
producing
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.)
Distillation Products Inc
Original Assignee
Distillation Products Inc
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 Distillation Products Inc filed Critical Distillation Products Inc
Application granted granted Critical
Publication of FR1011639A publication Critical patent/FR1011639A/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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1011639D 1942-05-20 1947-08-07 Method and apparatus for producing voids Expired FR1011639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1011639XA 1942-05-20 1942-05-20

Publications (1)

Publication Number Publication Date
FR1011639A true FR1011639A (en) 1952-06-25

Family

ID=22283329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1011639D Expired FR1011639A (en) 1942-05-20 1947-08-07 Method and apparatus for producing voids

Country Status (1)

Country Link
FR (1) FR1011639A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967804C (en) * 1955-01-19 1957-12-12 Leybold S Nachfolger K G E Motive steam and diffusion pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967804C (en) * 1955-01-19 1957-12-12 Leybold S Nachfolger K G E Motive steam and diffusion pump

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