DEM0012973MA - - Google Patents
Info
- Publication number
- DEM0012973MA DEM0012973MA DEM0012973MA DE M0012973M A DEM0012973M A DE M0012973MA DE M0012973M A DEM0012973M A DE M0012973MA
- Authority
- DE
- Germany
- Prior art keywords
- door
- frame
- layers
- stiffeners
- door according
- 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
- 239000003351 stiffener Substances 0.000 claims 4
- 239000003063 flame retardant Substances 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
Description
Angezogene Drucksclvriften:Tightened pressure fonts:
Deutsche Patentschriften Nr. 469 794, 324 687 ; britische Patentschrift Nr. 562232;
USA.-Patentschrift Nr. 2 225 067.German Patent Nos. 469 794, 324 687; British Patent No. 562232;
U.S. Patent No. 2,225,067.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
509 598/166 11.55509 598/166 11.55
Claims (6)
Family
ID=
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