BE529055A - - Google Patents
Info
- Publication number
- BE529055A BE529055A BE529055DA BE529055A BE 529055 A BE529055 A BE 529055A BE 529055D A BE529055D A BE 529055DA BE 529055 A BE529055 A BE 529055A
- Authority
- BE
- Belgium
- Prior art keywords
- plates
- bars
- rings
- distance
- closure device
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/18—Roll-type grilles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Tents Or Canopies (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE529055A true BE529055A (de) |
Family
ID=162166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE529055D BE529055A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE529055A (de) |
-
0
- BE BE529055D patent/BE529055A/fr unknown
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