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CN1333139A - 塑料书写铅笔 - Google Patents

塑料书写铅笔 Download PDF

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Publication number
CN1333139A
CN1333139A CN 00112388 CN00112388A CN1333139A CN 1333139 A CN1333139 A CN 1333139A CN 00112388 CN00112388 CN 00112388 CN 00112388 A CN00112388 A CN 00112388A CN 1333139 A CN1333139 A CN 1333139A
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China
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pencil
penholder
plastics
plastic
pen core
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Pending
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CN 00112388
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English (en)
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周长林
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Individual
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Individual
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Priority to CN 00112388 priority Critical patent/CN1333139A/zh
Publication of CN1333139A publication Critical patent/CN1333139A/zh
Pending legal-status Critical Current

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Abstract

本发明塑料书写铅笔,是用塑料替代木材作材料生产铅笔,减少制笔的木材消耗。生产工艺简单,可用塑料挤出机一次挤出成型。笔杆和笔芯为一整体。所制铅笔无毒不篡钴,可任意切削。笔杆表面可制成凹凸防滑使握形,更利于书写。

Description

塑料书写铅笔
本发明涉及一种材料替换。具体地为用塑料替代木材生产书写用铅笔。
目前,铅笔都是用木材作笔杆材料制造的。不仪要消耗大量木材,而且对木材的质量要求比较高。每年需砍伐大量树木,直接影响环境保护。
本发明的目的是:用塑料替代木材生产铅笔,减少木材的消耗。
本发明塑料书写铅笔,是使用无毒塑料,通过塑料挤出机,将笔杆和笔芯一次挤出成型。笔杆和笔芯为一整体。可任意切削。
本发明的塑料书写铅笔,不仅能节约木材,而且生产工艺简单,制造方便,成本低,无污染。还可克服木质铅笔因木质松紧不一,切削时易断铅篡铅等现象。塑料书写铅笔既可制成圆形、多边形,又可将铅笔表面制成凹凸防滑便握形,且同样具有木质铅笔易切削,便于书写的功能。
下面结合附图和实施例进一步说明:
图1是本发明塑料书写铅笔的纵切面示意图。
<1>是塑料笔杆,<2>为笔芯。笔杆和笔芯紧密相连为一整体。
实施例:
参照附图2,塑料从挤出机料筒<1>内挤向机头<3>,从机头<3>流进模具<4>,铅芯器<2>同时将制好的笔芯送进模具<4>,塑料与笔芯同时从模具内挤出,即制造出塑料书写铅笔<5>。

Claims (3)

1、塑料书写铅笔,笔杆用塑料替代木材制造。其特征在于笔杆与笔芯紧密连成整体,可任意切削。
2、根据权利要求1所述塑料书写铅笔其特征在于:该笔外形可制成圆形和多边形,还可以在表面制造凹凸防滑便握形。
3、根据附图<2>,该笔的制造为塑料挤出一次成形。(包括笔杆和笔芯)
CN 00112388 2000-07-12 2000-07-12 塑料书写铅笔 Pending CN1333139A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00112388 CN1333139A (zh) 2000-07-12 2000-07-12 塑料书写铅笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00112388 CN1333139A (zh) 2000-07-12 2000-07-12 塑料书写铅笔

Publications (1)

Publication Number Publication Date
CN1333139A true CN1333139A (zh) 2002-01-30

Family

ID=4582249

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00112388 Pending CN1333139A (zh) 2000-07-12 2000-07-12 塑料书写铅笔

Country Status (1)

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CN (1) CN1333139A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100351105C (zh) * 2003-09-12 2007-11-28 费伯-卡斯特尔股份公司 用于写字、绘画、绘图和化妆目的的木材包裹的铅笔
CN101522392B (zh) * 2006-09-29 2014-07-02 J.S.斯达德勒两合公司 书写、绘图、绘画和/或化妆铅笔及其制造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100351105C (zh) * 2003-09-12 2007-11-28 费伯-卡斯特尔股份公司 用于写字、绘画、绘图和化妆目的的木材包裹的铅笔
CN101522392B (zh) * 2006-09-29 2014-07-02 J.S.斯达德勒两合公司 书写、绘图、绘画和/或化妆铅笔及其制造方法

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