DE253976C - - Google Patents

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Publication number
DE253976C
DE253976C DENDAT253976D DE253976DA DE253976C DE 253976 C DE253976 C DE 253976C DE NDAT253976 D DENDAT253976 D DE NDAT253976D DE 253976D A DE253976D A DE 253976DA DE 253976 C DE253976 C DE 253976C
Authority
DE
Germany
Prior art keywords
evacuated
liquid
cooling
space
temperature
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.)
Active
Application number
DENDAT253976D
Other languages
English (en)
Publication of DE253976C publication Critical patent/DE253976C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D8/00—Cold traps; Cold baffles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.

Claims (1)

  1. Patent-Anspruch:
    Verfahren zur Erzeugung von Hochvakuum durch Abkühlen eines mit dem zu evakuierenden Räume zusammenhän-• genden Raumes auf die Temperatur von flüssigem Wasserstoff, dadurch gekennzeichnet, daß der zu evakuierende Raum in Verbindung gesetzt wird mit dem Vakuummantel eines flüssigen Wasserstoff enthaltenden Gefäßes.
DENDAT253976D Active DE253976C (de)

Publications (1)

Publication Number Publication Date
DE253976C true DE253976C (de)

Family

ID=512207

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT253976D Active DE253976C (de)

Country Status (1)

Country Link
DE (1) DE253976C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150906A (en) * 1989-03-10 1992-09-29 Lisco, Inc. Multi-piece golf balls and methods of manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150906A (en) * 1989-03-10 1992-09-29 Lisco, Inc. Multi-piece golf balls and methods of manufacture

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