BE342590A - - Google Patents
Info
- Publication number
- BE342590A BE342590A BE342590DA BE342590A BE 342590 A BE342590 A BE 342590A BE 342590D A BE342590D A BE 342590DA BE 342590 A BE342590 A BE 342590A
- Authority
- BE
- Belgium
- Prior art keywords
- spiral
- button
- conductor
- mechanical pencil
- rod
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE342590A true BE342590A (enExample) |
Family
ID=19036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE342590D BE342590A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE342590A (enExample) |
-
0
- BE BE342590D patent/BE342590A/fr unknown
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