GB1375863A - - Google Patents

Info

Publication number
GB1375863A
GB1375863A GB942771A GB942771A GB1375863A GB 1375863 A GB1375863 A GB 1375863A GB 942771 A GB942771 A GB 942771A GB 942771 A GB942771 A GB 942771A GB 1375863 A GB1375863 A GB 1375863A
Authority
GB
United Kingdom
Prior art keywords
shell
elements
helium
skin
polymer
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
GB942771A
Other languages
English (en)
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 filed Critical
Priority to GB942771A priority Critical patent/GB1375863A/en
Priority to DE19722217912 priority patent/DE2217912A1/de
Publication of GB1375863A publication Critical patent/GB1375863A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64B—LIGHTER-THAN AIR AIRCRAFT
    • B64B1/00—Lighter-than-air aircraft
    • B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
GB942771A 1971-04-14 1971-04-14 Expired GB1375863A (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB942771A GB1375863A (de) 1971-04-14 1971-04-14
DE19722217912 DE2217912A1 (de) 1971-04-14 1972-04-13 Leichtbaumaterial und dessen Anwendung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB942771A GB1375863A (de) 1971-04-14 1971-04-14

Publications (1)

Publication Number Publication Date
GB1375863A true GB1375863A (de) 1974-11-27

Family

ID=9871765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB942771A Expired GB1375863A (de) 1971-04-14 1971-04-14

Country Status (2)

Country Link
DE (1) DE2217912A1 (de)
GB (1) GB1375863A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009901A1 (en) * 1989-12-29 1991-07-11 Edulan A/S Method for the manufacture of a heat insulating foamed plastic material and blowing agent to be used by the method
US5429326A (en) * 1992-07-09 1995-07-04 Structural Laminates Company Spliced laminate for aircraft fuselage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009901A1 (en) * 1989-12-29 1991-07-11 Edulan A/S Method for the manufacture of a heat insulating foamed plastic material and blowing agent to be used by the method
US5429326A (en) * 1992-07-09 1995-07-04 Structural Laminates Company Spliced laminate for aircraft fuselage

Also Published As

Publication number Publication date
DE2217912A1 (de) 1972-10-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees