BE570500A - - Google Patents
Info
- Publication number
- BE570500A BE570500A BE570500DA BE570500A BE 570500 A BE570500 A BE 570500A BE 570500D A BE570500D A BE 570500DA BE 570500 A BE570500 A BE 570500A
- Authority
- BE
- Belgium
- Prior art keywords
- screws
- ring
- fixing
- bars
- heads
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000008275 binding mechanism Effects 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F13/00—Filing appliances with means for engaging perforations or slots
- B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
- B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
- B42F13/22—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed
- B42F13/26—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed and locked when so engaged, e.g. snap-action
Landscapes
- Sheet Holders (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE570500A true BE570500A (enExample) |
Family
ID=189038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE570500D BE570500A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE570500A (enExample) |
-
0
- BE BE570500D patent/BE570500A/fr unknown
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