CN101987548A - Dual annular pencil lead - Google Patents
Dual annular pencil lead Download PDFInfo
- Publication number
- CN101987548A CN101987548A CN2009101013084A CN200910101308A CN101987548A CN 101987548 A CN101987548 A CN 101987548A CN 2009101013084 A CN2009101013084 A CN 2009101013084A CN 200910101308 A CN200910101308 A CN 200910101308A CN 101987548 A CN101987548 A CN 101987548A
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- Prior art keywords
- lead
- pencil
- writing
- pen core
- dual annular
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The invention relates to a dual annular pencil lead. A main body is formed by combining two cylinders (1) with the same diameter, the thickness of the cylinders (1) can be customized as required, the cross section is dual annular, and two lead ends (2) and two lead centers (3) are formed. Thin lines can be written by alternately using the two lead ends (2), and the two lead ends (2) are applicable to writing lightfaces or outlining pencil sketches. Thick lines can be written by alternately using both sides of lead centers (3), and the lead centers (3) are applicable to writing boldfaces or daubing the pencil sketches. The lead can be manufactured into various colors. The dual annular pencil lead provided by the invention is not easy to break, is free of sharpening and can be used for writing both lightfaces and boldfaces. The invention solves the technical problems that the lead requires sharpening and the lead is easy to break because of thinness and has single writing function respectively existing in the prior art.
Description
Technical field
The invention belongs to the articles for writing technical field, the Crossed Circle pencil-lead that is specifically related to a kind of not frangibility and exempts to cut.
Background technology
Popular pencil roughly is divided into traditional wooden pencil and propelling pencil at present, and wooden pencil is because of will often cutting penholder and pen core, and is consuming time bothersome, and waste material is extremely inconvenient; And non-sharpenning penholder of propelling pencil and pen core, though convenient, tiny careless slightly will the fractureing of its pen core, not only wasting pen core also influences the mood of writing with the author; These two kinds of pencil writing functions are single.
Summary of the invention
Goal of the invention of the present invention is that a kind of not frangibility, exempt to cut and Crossed Circle pencil-lead that thick light face can both be write will be provided, and will cut pen core and the pen core that have solved that prior art exists separately fracture and technical problem that writing function is single easily because of tiny.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of Crossed Circle pencil-lead, main body is to be combined by two identical cylinders of diameter, cylindrical thickness can customize as required, its cross section is a Crossed Circle, and has formed pen core two ends, two places and pen core middle part, two places.Be used alternatingly the pen core two ends and can write out thin lines, be applicable to the profile of writing in light face or the hook sketch.Be used alternatingly both sides, pen core middle part and then can write out thicker lines, be applicable to and write smearing in boldface letter or the sketch.Pen core can be made into shades of colour.
Adopted a kind of Crossed Circle pencil-lead of the present invention of above technical scheme to have following advantage: 1. because of being that main body is that two cylinders combine, pen core is greatly improved on intensity, not frangibility; 2. pen core can be write two kinds of lines of thickness, and function is many with having improved the situation of pen core function singleness in the past.
Description of drawings
Fig. 1: the front view of the embodiment of the invention
The left view of Fig. 2: Fig. 1
The upward view of Fig. 3: Fig. 1
Among Fig. 1-3: 1-cylinder, 2-pen core two ends, 3-pen core middle part.
The specific embodiment
By Fig. 1-3 expression is one embodiment of the invention, a kind of Crossed Circle pencil-lead, main body is to be combined by two identical cylinders (1) of diameter, the thickness of cylinder (1) can customize as required, its cross section is a Crossed Circle, and has formed two place pen core two ends (2) and two pen core middle parts, place (3).Be used alternatingly pen core two ends (2) and can write out thin lines, be applicable to the profile of writing in light face or the hook sketch.Be used alternatingly (3) both sides, pen core middle part and then can write out thicker lines, be applicable to and write smearing in boldface letter or the sketch.Pen core can be made into shades of colour.
The present invention is not subjected to the restriction of the above embodiments, and specific embodiment described herein only is that the present invention spirit is illustrated, and all various pencils by the present invention's making are all in claimed scope of the present invention.Do not breaking away from spirit of the present invention or surmounting under the defined scope prerequisite of appended claims; the technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, these modifications or replenish or adopt similar mode to substitute and all fall in the claimed scope of the invention.
Claims (2)
1. Crossed Circle pencil-lead, it is characterized in that: main body is to be combined by two identical cylinders (1) of diameter, the thickness of cylinder (1) can customize as required, and its cross section is a Crossed Circle, and has formed two place pen core two ends (2) and two pen core middle parts, place (3).
2. according to claims 1 described a kind of Crossed Circle pencil-lead, it is characterized in that: pen core can be made into shades of colour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101013084A CN101987548A (en) | 2009-07-30 | 2009-07-30 | Dual annular pencil lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101013084A CN101987548A (en) | 2009-07-30 | 2009-07-30 | Dual annular pencil lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101987548A true CN101987548A (en) | 2011-03-23 |
Family
ID=43744428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101013084A Pending CN101987548A (en) | 2009-07-30 | 2009-07-30 | Dual annular pencil lead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101987548A (en) |
-
2009
- 2009-07-30 CN CN2009101013084A patent/CN101987548A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110323 |