CN1048941C - Fountain pen capable of two-side writing with thick and thin dual-purpose - Google Patents
Fountain pen capable of two-side writing with thick and thin dual-purpose Download PDFInfo
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- CN1048941C CN1048941C CN97121199A CN97121199A CN1048941C CN 1048941 C CN1048941 C CN 1048941C CN 97121199 A CN97121199 A CN 97121199A CN 97121199 A CN97121199 A CN 97121199A CN 1048941 C CN1048941 C CN 1048941C
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Abstract
The present invention discloses a fountain pen of a thick and thin dual-purpose type capable of two-side writing. Both sides of a split nib of a common fountain pen are respectively provided with two pen tongues or one pen tongue and a blocking bar to replace a pen tongue or a blocking bar on the original side. In addition, the longitudinal projecting shape of the end head of a nib is in a one-way shrinking shape. Ink supplying channels of a pen bladder towards the nib are increased because of the guidance of water feeding slots of the pen tongues on both sides, and thus, the writing is fluent. The blocking bars have the functions of ink storage and moisture reservation. The shape of the head of the nib in a one-way shrinking shape enables the fountain pen of The present invention to write thick and thin lines. The present invention has the advantages of simple structure, convenient use and fluent writing, and is suitable for industrial production.
Description
The present invention relates to a kind of fountain pen, especially a kind of both thick and thin fountain pen.
Existing both thick and thin fountain pen or complex structure or use difficulty, or make for various reasons and write not freely, be unsuitable for industrialized mass production and promote the use of.
The both thick and thin fountain pen that the purpose of this invention is to provide a kind of simple in structure, easy to use and fluent writing.
The object of the present invention is achieved like this: ordinary fountain pen comprises a Nib with seam, proposition (or blend stop), water receiver, barrel, pen item, penholder and the cap for brush etc.Proposition is arranged on a side of Nib with seam, and Nib with seam, proposition and water receiver are fitted together by the pen item.The present invention does following improvement on the basis of existing ordinary fountain pen: at the opposite side of Nib with seam, a proposition or the original side proposition of blend stop replacement are set also; And the longitudinal projection of Nib with seam nib termination is shaped as the unidirectional shape of dwindling.
Because carried out as above improving, the guiding of lower flume makes barrel increase fluent writing to the nib ink-feed channel in the proposition of both sides; Blend stop can contain China ink and prevent that Nib with seam is air-dry; Unidirectional nib head shapes of dwindling shape makes fountain pen of the present invention can simultaneously write the thick lines another side and writes hachure.
Below, the present invention is further described in conjunction with the accompanying drawings and embodiments:
Fig. 1 is the profilograph of fountain pen capable of two-side writing with thick and thin dual-purpose of the present invention;
Fig. 2 is the cutaway view that the nib opposite side installs a blend stop additional;
Fig. 3 is the schematic diagram of corresponding two propositions of a water receiver;
Fig. 4-the 7th unidirectionally dwindles the schematic diagram that shape nib termination longitudinal projection shape is respectively triangle, nearly triangle, trapezoidal, ' protruding ' font;
Fig. 8 is the shape of nib termination two writing surfaces when being respectively large and small convex surface, the schematic perspective view of nib head;
Fig. 9 is the front view of tabular or nearly tabular nib;
Figure 10 is the side view of tabular nib;
Figure 11 is the I-I cutaway view of nearly tabular nib;
Figure 12, Figure 13 are respectively that nib termination longitudinal projection cracks and is shaped as ' V ' font and trapezoidal schematic diagram;
Figure 14, Figure 15 are respectively the schematic diagrames of dredging part in usual state and duty of the present invention;
Figure 16 is the schematic diagram that fiber rod or bar are housed in blend stop;
Figure 17 makes one to crack in two propositions of structure, and a proposition installs the schematic diagram of closeouts outward additional;
Figure 18 makes crack two propositions of structure of one to be covered with the schematic diagram of block;
Figure 19 is two propositions or proposition and the symmetrically arranged schematic diagram of blend stop.
Referring to whole accompanying drawings and in conjunction with all prior aries of relevant fountain pen aspect: usual fountain pen is made up of Nib with seam 1, proposition 2 (or blend stop), water receiver 3, barrel 4, pen 5, penholder 6 and the cap for brush (unlabelled among the figure) etc.Proposition 2 (or blend stop) is arranged on a side of Nib with seam 1, and a writing surface of corresponding Nib with seam works to lead China ink (or contain China ink, preserve moisture), has lower flume (not having lower flume in the blend stop) in the proposition 2; Water receiver 3 is positioned between proposition 2 (or blend stop) and the barrel 4 and with them and is connected, held concurrently to resist to leak and lead China ink and acted on, water receiver 3 can be made one with proposition 2 (or blend stop), it also can be split-type structural, water receiver 3 can have that one or split connect gos deep into water guider in barrel mouth or the barrel, the held concurrently effect of exhaust of for example one or two aqueduct or water guide core etc., aqueduct wherein; Nib with seam 1, proposition 2 (or blend stop) and water receiver 3 are fitted together by pen item 5, and proposition 2 (or blend stop) and pen item 5 also can be made one; Pen item 5 wraps in the outside of part or all of water receiver 3, part or all of proposition 2 and part nib 1, staff is held a pen avoid the pollution of ink when writing; Pen item 5 also can be made one with penholder 6, makes designs simplification; General fountain pen all adopts the barrel of hollow-core construction to store up China ink, but the scheme that adopts fiber storage inker is also arranged in the prior art, and at this moment, above-mentioned barrel is the fiber storage inker that is equal to; Penholder 6 can also be made and barrel 4 integrative-structures.
The nib of below mentioning cracks and all refers to cracking of nib head place.
Fountain pen capable of two-side writing with thick and thin dual-purpose of the present invention comprises Nib with seam 1, proposition 2 (or blend stop), water receiver 3, barrel 4, pen item 5, penholder 6 and the cap for brush (unlabelled among the figure) etc.Referring to Fig. 1 and Fig. 2, Nib with seam 1 opposite side also is provided with a proposition 2 ' or a blend stop 2 ", another writing surface of corresponding Nib with seam; Referring to relevant accompanying drawing, the proposition 2 ' of opposite side or blend stop 2 " also have a water receiver 3 ' corresponding with it.Referring to Fig. 3,14, proposition 2 ' or blend stop 2 " can make one or split-type structural with water receiver 3 '; Referring to Fig. 1,2, proposition 2 ' or blend stop 2 " can also make one or split-type structural with pen item 5.Fig. 3 has then represented the situation with a corresponding proposition 2 (or blend stop) in water receiver of prior art, is improved to the situation of corresponding two propositions (or a proposition 2 ' and a blend stop 2 "), does not draw among the latter event figure.The guiding of lower flume makes the ink-feed channel to nib increase fluent writing in the both sides proposition 2 and 2 '; Blend stop 2 " have an effect that contains China ink and preserve moisture.
Longitudinal projection's shape of Nib with seam 1 nib termination can be dwindled shape for unidirectional, that mentions unidirectionally dwindles shape herein, it is not the proper unidirectional shape of dwindling, and the longitudinal projection that is meant Nib with seam 1 nib termination is from global shape, and one is major part, and one is the microcephaly, for example, triangle shown in Fig. 4-7 (containing nearly triangle) or trapezoidal or " protruding " font, wherein, the transition between limit and the limit is generally fillet.Such nib termination can simultaneously be write the thick lines another side and be write hachure.Under the situation of normally firmly writing, the width that nib two writing surfaces contact with paper is listed as follows (and the angle of writing paper between 45 °-60 °) respectively:
| The thin writing surface width of convergent shape nib | The thick writing surface width of convergent shape nib | |
| Scheme 1 | 0.1-0.2mm | 0.25-0.85 |
| Scheme | ||
| 2 | 0.1-0.25mm | 0.3-0.85mm |
| Scheme 3 | 0.15-0.3mm | 0.4-0.85mm |
| Scheme 4 | 0.2-0.4mm | 0.50-1.3mm |
| Scheme 5 | 0.2-0.5mm | 0.6-1.5mm |
| Scheme 6 | 0.1-0.3mm | 0.55-1.5mm |
| Scheme 7 | 0.25-0.6mm | 0.8-2mm |
| Preferred plan I | 0.15-0.25mm | 0.30-0.85mm |
| Preferred plan II | 0.20-0.35mm | 0.45-1.20mm |
| Preferred plan III | 0.20-0.45mm | 0.55-1.30mm |
Referring to Fig. 8, the shape of Nib with seam nib termination two writing surfaces is respectively big convex surface a and small convex shape curved surface b, wherein, big convex surface a is at unidirectional thick writing surface one end that dwindles shape nib termination, small convex shape curved surface b is at unidirectional thin writing surface one end that dwindles shape nib termination, and the radius of curvature of two convex surfaces and paper contact position is respectively (pen and the angle of writing paper are between 45 °-60 °):
0.5-15mm, 0.1-0.3mm; Or
0.6-15mm, 0.15-0.4mm; Or
1-20mm, 0.15-0.5mm; Or
2-20mm，0.15-1mm。
Referring to Fig. 9-11, the Nib with seam section of cracking is tabular or the radius of curvature arcuation greater than 2mm, because the nib section of cracking is very narrow, arcuation herein is equivalent to nearly tabular, and the best is the nearly tabular greater than 6mm; Also can be the folding face shape of angle greater than 100 degree.Wherein, tabular or nearly tabular shape or angle be greater than the folding face shapes of 100 degree, and the above-mentioned Nib with seam opposite side of mentioning also is provided with a proposition or a blend stop and makes the present invention be convenient to the two sides to write, change the inconvenience that traditional single face is write.Best scheme is that the Nib with seam global shape is a flat board or the radius of curvature nearly tabular greater than 6mm, and the effect used of two sides is better like this.For above-mentioned nearly flat nib section of cracking or whole nib, radian can be different everywhere.(the pen tip head part that does not all comprise projection in above-mentioned each shape)
The shape of cross section of Nib with seam 1 nib seam can be rectangle, and the width that cracks is 0.01-0.06mm, and the best is 0.02-0.04mm, to guarantee fluent writing.
Longitudinal projection's shape of cracking in Nib with seam 1 termination can be wedge shape thick writing surface one end of the corresponding convergent shape of broadside opening nib head (wedge shape crack), as ' V ' font and trapezoidal etc., referring to Figure 12,13.The angle that wedge shape is cracked is 1 °-18 °, and optimum range is 2 °-9 °; The crack width of broadside opening of wedge shape is 0.02-0.2mm, and the best is 0.03-0.1mm.Referring to Figure 12,13, the crack width of broadside opening of above-mentioned wedge shape is the length of giving directions between mn, and some m, n are respectively in the longitudinal projection of cracking in Nib with seam nib termination, the intersection point of the camber line of thick writing surface one end and two lines that crack.Above physical dimension is discharged tamper easily, fluent writing.And the large and small head end of convergent shape nib head is because wide, the minor face opening that crack of corresponding wedge shape respectively, and the thickness that the two sides is write is clearly more demarcated.
Nib cracks and/or the proposition 2 of a side and/or the proposition 2 ' or the blend stop 2 of opposite side " and/or water receiver 3 (with respect to scheme; refer at least one water receiver herein) with two water receivers in be equipped with and dredge part 7; specifically; be exactly: above-mentioned nib cracks, in two propositions (or proposition and blend stop) and two water receivers, is equipped with separately in can each assembly (as a proposition) and dredges part; Respectively be equipped with one in a pair of assembly that also can be relative (as two propositions or two water receivers) and dredge part; Several assemblies that can also be adjacent (as nib crack and the proposition of a side with and corresponding water receiver) in be equipped with one and dredge part; Can also be adjacent several in the assembly (crack and the proposition of both sides as nib, nib cracks and the proposition of both sides and the water receiver of both sides), be equipped with one and dredge part or respectively be equipped with one and dredge part with respect to the both sides of nib seam.For dividing several places that the situation of dredging part is housed, generally be to dredge part to be connected with each other and to become one and dredge part 7, referring to Figure 14,15.Dredging part 7 can extend longitudinally to barrel.
The above-mentioned part 7 of dredging can be for dredging sheet, and referring to Figure 14, the thickness of wherein dredging sheet can be consistent, also can change to some extent to 4 of barrels at nib 1, and for example, the place is the thinnest at nib, is 0.02-0.15mm, and the best is 0.03-0.06mm; The place is the thickest at striking gear, is beneficial to stir; In the nib seam, the length of dredging sheet is more preferably greater than 0.5mm.
The above-mentioned part 7 of dredging can be for bending to the silk of dredging of definite shape, and diameter is 0.05-0.2mm; The above-mentioned silk of dredging does not generally use in the nib seam, because the thicker silk of dredging is difficult to dredge in the nib seam, and a thinner insufficient strength of dredging is difficult to use.In actual conditions, dredging silk generally is to use towards flat back in integral body, is equivalent to above-mentioned special circumstances of dredging sheet, also can use in the nib seam, referring to Figure 15.
Dredge to have on the part 7 and stir 8 as striking gear, stirring 8 can be for dredging the projection on the part 7, referring to Figure 14-15; It can (comprise nib 1, proposition 2, proposition 2 ' at nib 1 to pen item 5, blend stop 2 ", water receiver 3, pen 5) between any part action or protruding; under the situation that tamper can not be discharged naturally, stir 8 and drive and dredge part 7 actions, help to get rid of tamper.Stirring on 8 to have headgear, and headgear can encase projection separately; Also can be enclosed within pen 5 outer and with stir 8 is connected, nested or make one, and can with respect to pen item 5 directly slides or by screw thread pen item 5 outside, slide and stir 8 together drive dredge part 7 and move help eliminating tamper.Stirring head's cover can make staff avoid the pollution of prepared Chinese ink.For dividing several places to be equipped with to dredge part and being connected with each other and becoming a situation of dredging part 7, dredge and generally on the part 7 adopt public one to stir 8, referring to Figure 14,15.
Striking gear can also for dredge the vertical core that part 7 is connected, the lead for retractable pencil in the similar prior art tracer of core that hangs down can be a cylinder, also can be a heavy sheet, the position be best to be in the barrel, writes when smooth, the pen that teetertotters, the core that hangs down drive dredges the part action, gets rid of tamper.
Owing to the existence of dredging part makes in the proposition reasons such as the lower flume space narrows down, install additional and dredge part stylographic anti-leakage performance is increased.
For there not being the situation of dredging sheet in the nib seam, when dredging sheet longitudinally when nib termination direction moves in the proposition, the cross force in addition simultaneously at the striking gear place just can help to dredge the tamper in the nib seam.
At proposition 2 ' or blend stop 2 " in fiber rod or bar can be housed; Figure 16 has represented to be equipped with the situation of fiber rod or bar in blend stop; this fiber rod 9 one ends are extended to proposition 2 ' or blend stop 2 " outside, the other end extends in the barrel, at this moment, barrel can be the fiber storage inker that is equal to, and the proposition 2 of nib opposite side still links to each other with water receiver 3, and water receiver 3 links to each other with hollow barrel 4; Like this, for two propositions or have proposition and the fountain pen of blend stop, can unite the scheme that adopts fiber storage inker and barrel, promptly have two cover ink-feeding devices.
The proposition 2 of one side and the proposition 2 ' or the blend stop 2 of opposite side " can have at least a part to be connected as a single entity; Further, the proposition 2 ' or the blend stop 2 of the proposition of a side 2 and opposite side " can be made into the one structure of cracking, during nib 1 inserts and cracks,, flow out from the proposition outside for preventing prepared Chinese ink with respect to this scheme, the proposition of a side is outer should to install shutoff bar 10 ' additional, as shown in figure 17; Or take other measure, and add cover cap cap 10 etc. as the one structure of cracking, as shown in figure 18, and block 10 can be further development of pen.
The termination of nib 1 can be on the center line of pen 5, for the scheme of two propositions or a proposition and a blend stop, about the same in two propositions 2 with 2 ' or proposition 2 and blend stop 2 " be symmetrical arranged, referring to Figure 19.
Claims (34)
1. fountain pen capable of two-side writing with thick and thin dual-purpose, comprise a Nib with seam, proposition, water receiver, barrel, pen item, penholder and the cap for brush, proposition is arranged on a side of Nib with seam, a writing surface of corresponding Nib with seam, Nib with seam, proposition and water receiver are fitted together by the pen item, it is characterized in that: the Nib with seam opposite side also is provided with a proposition or a blend stop, another writing surface of corresponding Nib with seam, and the longitudinal projection of Nib with seam nib termination is shaped as the unidirectional shape of dwindling.
2. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1, it is characterized in that: be respectively the situation of proposition and blend stop for the Nib with seam both sides, the Nib with seam section of cracking is tabular or angle greater than the folding face shapes of 100 degree or the radius of curvature nearly tabular greater than 2mm.
3. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 2 is characterized in that: the above-mentioned Nib with seam section of cracking be shaped as the nearly tabular of radius of curvature greater than 6mm.
4. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 is characterized in that: be respectively the situation of proposition and blend stop for the Nib with seam both sides, the Nib with seam global shape is a flat board or the radius of curvature nearly tabular greater than 6mm.
5. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 is characterized in that: the longitudinal projection of Nib with seam nib termination is shaped as triangle, trapezoidal or ' protruding ' word shape.
6. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 is characterized in that: the proposition of corresponding Nib with seam opposite side or blend stop also have a water receiver corresponding with it.
7. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 or 5, it is characterized in that: the width that nib two writing surfaces contact with paper is respectively:
0.1-0.2mm, 0.25-0.85mm; Or
0.1-0.25mm, 0.3-0.85mm; Or
0.15-0.3mm, 0.4-0.85mm; Or
0.2-0.4mm, 0.5-1.3mm; Or
0.2-0.5mm, 0.6-1.5mm; Or
0.1-0.3mm, 0.55-1.5mm; Or
0.25-0.6mm，0.8-2mm。
8. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 7 is characterized in that: the width that nib two writing surfaces contact with paper is respectively:
0.15-0.25mm, 0.3-0.85mm; Or
0.2-0.35mm, 0.45-1.2mm; Or
0.2-0.45mm，0.55-1.3mm。
9. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 or 5, it is characterized in that: the shape of Nib with seam nib termination two writing surfaces is respectively large and small convex surface, and the radius of curvature of two convex surfaces and paper contact position is respectively:
0.5-15mm, 0.1-0.3mm; Or
0.6-15mm, 0.15-0.4mm; Or
1-20mm, 0.15-0.5mm; Or
2-20mm，0.15-1mm。
10. according to claim 1 or 9 described fountain pen capable of two-side writing with thick and thin dual-purpose, it is characterized in that: the unidirectional big convex surface that dwindles the corresponding writing surface of broadside of shape, the small convex shape curved surface of the corresponding writing surface in narrow limit.
11. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1, it is characterized in that: for the Nib with seam both sides is the situation of two propositions, and the Nib with seam section of cracking is tabular or radius of curvature greater than the nearly tabular of 2mm or the angle folding face shapes greater than 100 degree.
12. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 11 is characterized in that: the above-mentioned Nib with seam section of cracking be shaped as the nearly tabular of radius of curvature greater than 6mm.
13. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 is characterized in that: for the Nib with seam both sides is the situation of two propositions, and the Nib with seam global shape is a flat board or the radius of curvature nearly tabular greater than 6mm.
14. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 or 5, it is characterized in that: the width that Nib with seam cracks is 0.01-0.06mm, and the best is 0.02-0.04mm.
15. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 or 5 is characterized in that: Nib with seam nib termination longitudinal projection cracks is shaped as wedge shape.
16. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 15 is characterized in that: above-mentioned wedge-type shape is ' V ' font or trapezoidal.
17. according to claim 15 or 16 described fountain pen capable of two-side writing with thick and thin dual-purpose, it is characterized in that: the angle that Nib with seam nib termination longitudinal projection cracks is 1 °-18 °, and the best is 2 °-9 °.
18. according to claim 15 or 16 described fountain pen capable of two-side writing with thick and thin dual-purpose, it is characterized in that: the crack width of broadside opening of Nib with seam nib termination longitudinal projection is 0.02-0.2mm, and the best is 0.03-0.1mm.
19. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 is characterized in that: be equipped with during Nib with seam cracks and/or in the proposition of a side and/or in the water receiver and/or in the proposition of opposite side or the blend stop and dredge part, dredge and have striking gear on the part.
20. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 6 is characterized in that: be equipped with in the described water receiver and dredge part, dredge and have striking gear on the part.
21., it is characterized in that: dredge part and extend longitudinally to barrel according to claim 19 or the two-sided fountain pen of writing of 20 described both thick and thins.
22. according to claim 19 or 20 described fountain pen capable of two-side writing with thick and thin dual-purpose, it is characterized in that: the described part of dredging is connected with each other and becomes one and dredges part.
23. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 22 is characterized in that: dredge part connect together and become one dredge part after, have only a striking gear on it.
24. according to claim 19 or 20 described fountain pen capable of two-side writing with thick and thin dual-purpose, it is characterized in that: dredge part for dredging sheet.
25. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 24 is characterized in that: the thickness of dredging sheet is 0.02-0.15mm, and the best is 0.03-0.06mm.
26. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 25 is characterized in that: dredge the length of sheet in the nib seam greater than 0.5mm.
27. according to claim 19 or 20 described fountain pen capable of two-side writing with thick and thin dual-purpose, it is characterized in that: dredge part for dredging silk.
28. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 27 is characterized in that: the diameter of dredging silk is 0.05-0.2mm.
29. according to claim 19 or 20 or 23 described fountain pen capable of two-side writing with thick and thin dual-purpose, it is characterized in that: the striking gear of dredging on the part is to stretch out nib to crack to the head of stirring at any position between the pen item.
30. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 29 is characterized in that: stir and have headgear on the head.
31., it is characterized in that according to claim 19 or 20 or 23 described fountain pen capable of two-side writing with thick and thin dual-purpose: dredge on the part striking gear for and dredge the vertical core that part is connected.
32. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 is characterized in that: fiber rod or bar are housed in proposition and/or blend stop.
33. fountain pen capable of two-side writing with thick and thin dual-purpose according to claim 1 is characterized in that: the proposition of a side and the proposition of opposite side or blend stop have at least a part to be connected as a single entity.
34. according to the two-sided fountain pen of writing of the described both thick and thin of claim 1, it is characterized in that: the nib head is on the center line of pen item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97121199A CN1048941C (en) | 1997-10-08 | 1997-10-08 | Fountain pen capable of two-side writing with thick and thin dual-purpose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97121199A CN1048941C (en) | 1997-10-08 | 1997-10-08 | Fountain pen capable of two-side writing with thick and thin dual-purpose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1180620A CN1180620A (en) | 1998-05-06 |
| CN1048941C true CN1048941C (en) | 2000-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97121199A Expired - Fee Related CN1048941C (en) | 1997-10-08 | 1997-10-08 | Fountain pen capable of two-side writing with thick and thin dual-purpose |
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|---|---|
| CN (1) | CN1048941C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304962A (en) * | 2018-11-28 | 2019-02-05 | 上海晨光文具股份有限公司 | Fountain pen |
| CN110946092A (en) * | 2019-12-27 | 2020-04-03 | 易成 | Intelligent device for interaction between people and pets |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347011A (en) * | 1978-11-17 | 1982-08-31 | Pilot Man-Nen-Hitsu Kabushiki Kaisha | Fountain pen equipped with a resiliency adjustment device |
-
1997
- 1997-10-08 CN CN97121199A patent/CN1048941C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347011A (en) * | 1978-11-17 | 1982-08-31 | Pilot Man-Nen-Hitsu Kabushiki Kaisha | Fountain pen equipped with a resiliency adjustment device |
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| Publication number | Publication date |
|---|---|
| CN1180620A (en) | 1998-05-06 |
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