GB1264963A - - Google Patents
Info
- Publication number
- GB1264963A GB1264963A GB1264963DA GB1264963A GB 1264963 A GB1264963 A GB 1264963A GB 1264963D A GB1264963D A GB 1264963DA GB 1264963 A GB1264963 A GB 1264963A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- cap
- welding
- pens
- pen
- 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.)
- Expired
Links
- 238000003466 welding Methods 0.000 abstract 4
- 239000004677 Nylon Substances 0.000 abstract 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229920001778 nylon Polymers 0.000 abstract 1
- 239000012815 thermoplastic material Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
- B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
Landscapes
- Pens And Brushes (AREA)
Abstract
1,264,963. Retractable ball-point pens. SCRIPTO PENS Ltd. 2 June, 1969 [24 July, 1968], No. 35301/68. Heading B6P. A rear plunger operated retractable ball-point pen, as described in Specifications 804,903 and 880,633, has a cap 12 jointed to the plunger 7 at the final stage of assembly of the pen. Either or both the plunger and cap may be made of thermoplastic material, e.g. acrylonitrile butadiene or nylon, the cap being secured to the plunger by a local heating or welding operation similar to spot welding, stud welding or hotriveting. Ultra-sonic welding can also be used. In the particular embodiment, the plunger 7 has a rear-end spigot 10 riveted into an annular rear end of the cap 12.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3530168 | 1968-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1264963A true GB1264963A (en) | 1972-02-23 |
Family
ID=10376166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1264963D Expired GB1264963A (en) | 1968-07-24 | 1968-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1264963A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021801A1 (en) * | 1979-07-02 | 1981-01-07 | PLATIGNUM plc | A retractable mechanism for a writing element |
| EP0452281A1 (en) * | 1990-04-13 | 1991-10-16 | STILOLINEA S.r.l. | A ballpoint pen with a retractable writing tip |
| EP3388251A4 (en) * | 2015-12-09 | 2019-07-17 | Mitsubishi Pencil Company, Limited | PERCUSSION WRITING TOOL |
-
1968
- 1968-07-24 GB GB1264963D patent/GB1264963A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021801A1 (en) * | 1979-07-02 | 1981-01-07 | PLATIGNUM plc | A retractable mechanism for a writing element |
| US4343559A (en) * | 1979-07-02 | 1982-08-10 | Platignum Limited | Retractable mechanism for a writing element |
| EP0452281A1 (en) * | 1990-04-13 | 1991-10-16 | STILOLINEA S.r.l. | A ballpoint pen with a retractable writing tip |
| EP3388251A4 (en) * | 2015-12-09 | 2019-07-17 | Mitsubishi Pencil Company, Limited | PERCUSSION WRITING TOOL |
| US10576775B2 (en) | 2015-12-09 | 2020-03-03 | Mitsubishi Pencil Company, Limited | Knock type writing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |