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
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB942771A GB1375863A (fi) | 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 (fi) | 1971-04-14 | 1971-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1375863A true GB1375863A (fi) | 1974-11-27 |
Family
ID=9871765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB942771A Expired GB1375863A (fi) | 1971-04-14 | 1971-04-14 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2217912A1 (fi) |
GB (1) | GB1375863A (fi) |
Cited By (2)
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 |
-
1971
- 1971-04-14 GB GB942771A patent/GB1375863A/en not_active Expired
-
1972
- 1972-04-13 DE DE19722217912 patent/DE2217912A1/de active Pending
Cited By (2)
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 |