NL142185B - Werkwijze ter bereiding van polyurethanschuim. - Google Patents

Werkwijze ter bereiding van polyurethanschuim.

Info

Publication number
NL142185B
NL142185B NL656517160A NL142185DA NL142185B NL 142185 B NL142185 B NL 142185B NL 656517160 A NL656517160 A NL 656517160A NL 142185D A NL142185D A NL 142185DA NL 142185 B NL142185 B NL 142185B
Authority
NL
Netherlands
Prior art keywords
polyurethane foam
preparing polyurethane
preparing
foam
polyurethane
Prior art date
Application number
NL656517160A
Other languages
English (en)
Original Assignee
Union Carbide Corp
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.)
Publication of NL142185B publication Critical patent/NL142185B/nl

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/92—Means forming part of the tube for the purpose of providing electrical connection to it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/74—Deflecting by electric fields only
NL656517160A 1947-09-11 Werkwijze ter bereiding van polyurethanschuim. NL142185B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US773448A US2531278A (en) 1947-09-11 1947-09-11 Shielded ultra high frequency cathode-ray tube

Publications (1)

Publication Number Publication Date
NL142185B true NL142185B (nl)

Family

ID=25098296

Family Applications (2)

Application Number Title Priority Date Filing Date
NL656517160A NL142185B (nl) 1947-09-11 Werkwijze ter bereiding van polyurethanschuim.
NL74198D NL74198C (nl) 1947-09-11

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL74198D NL74198C (nl) 1947-09-11

Country Status (4)

Country Link
US (1) US2531278A (nl)
FR (1) FR971060A (nl)
GB (1) GB655331A (nl)
NL (2) NL74198C (nl)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2381539A (en) * 1941-03-28 1945-08-07 Bell Telephone Labor Inc Electron discharge device
US2442545A (en) * 1945-06-26 1948-06-01 Du Mont Allen B Lab Inc Connector for vacuum tubes

Also Published As

Publication number Publication date
NL74198C (nl)
US2531278A (en) 1950-11-21
GB655331A (en) 1951-07-18
FR971060A (fr) 1951-01-12

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