Original document(11 pages)  中文版
    The present invention provides a composite pen which can yield two or more kinds of writing effects at its tip and can prolong the writing time and working life of both tips. The composite structure is a combination of two individual sets of coaxial writing tips, one writing set is comprised of improved fundamental parts of a fountain pen and the other writing set is comprised of protecting guide tube, spring, movable core and its controlling parts, in which the movable core is changeable.
Application Number
申请号
91106994 Application Date
申请日
1991.04.29
Title 名称 Two-purpose bladder composite pen with alter
Publication Number
公开号
1066213 Publication Date
公开日
1992.11.18
Approval Pub. Date Granted Pub. Date
International Classification 分类号 B43K5/02,B43K27/12,B43K29/00
Applicant(s) Name
申请人
Hu Jungan
Address 地址 210011
Inventor(s) Name 发明人
Attorney & Agent 代理人

  
Color-mixing brush and color-mixing method
Turning type composite pen
Revolving type composite pen
Composite pen with composite sleeve
Two-purpose bladder composite pen with double spring plate
Two-purpose bladder poke-turning type composite pen
Two-purpose bladder directly slid and turning disc type composite pen
Two-purpose bladder single handle turning type composite pen
Two-purpose bladder composite pen with pivot and spring plate
Two-purpose bladder turning disc type composite pen
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