DE220159C - - Google Patents

Info

Publication number

DE220159C

DE220159C DENDAT220159D DE220159DA DE220159C DE 220159 C DE220159 C DE 220159C DE NDAT220159 D DENDAT220159 D DE NDAT220159D DE 220159D A DE220159D A DE 220159DA DE 220159 C DE220159 C DE 220159C

Authority

DE

Germany

Prior art keywords

elements

balloon

tension

frame according

pressure

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

Links

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• 125000006850 spacer group Chemical group 0.000 claims description 10
• 238000010276 construction Methods 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 1
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 230000006835 compression Effects 0.000 description 1
• 238000007906 compression Methods 0.000 description 1
• 239000013013 elastic material Substances 0.000 description 1
• 239000010985 leather Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 238000003801 milling Methods 0.000 description 1
• -1 pressure elements Inorganic materials 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 239000013585 weight reducing agent Substances 0.000 description 1