FR861069A - Method and device for facilitating the production of vacuum in the space between the walls in the manufacture of insulating bottles with double walls - Google Patents

Method and device for facilitating the production of vacuum in the space between the walls in the manufacture of insulating bottles with double walls

Info

Publication number
FR861069A
FR861069A FR861069DA FR861069A FR 861069 A FR861069 A FR 861069A FR 861069D A FR861069D A FR 861069DA FR 861069 A FR861069 A FR 861069A
Authority
FR
France
Prior art keywords
walls
facilitating
vacuum
manufacture
production
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.)
SVENSKA THERMOS AB
Original Assignee
SVENSKA THERMOS AB
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 SVENSKA THERMOS AB filed Critical SVENSKA THERMOS AB
Application granted granted Critical
Publication of FR861069A publication Critical patent/FR861069A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/13—Reshaping combined with uniting or heat sealing, e.g. for making vacuum bottles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
FR861069D 1939-10-23 1939-10-23 Method and device for facilitating the production of vacuum in the space between the walls in the manufacture of insulating bottles with double walls Expired FR861069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861069T 1939-10-23

Publications (1)

Publication Number Publication Date
FR861069A true FR861069A (en) 1941-01-31

Family

ID=9337669

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861069D Expired FR861069A (en) 1939-10-23 1939-10-23 Method and device for facilitating the production of vacuum in the space between the walls in the manufacture of insulating bottles with double walls

Country Status (1)

Country Link
FR (1) FR861069A (en)

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