Slotted nib capable of writing both thick and thin strokes

Application Number: 00125703Application Date: 2000.10.17Publication Number: 1348869Publication Date: 2002.05.15Priority Information: International: B43K1/02Applicant(s) Name: Wang LiangAddress: Inventor(s) Name: Wang LiangPatent Agency Code: 00000Patent Agent: Abstract The seamed pen point capable of writing coarse and fine stroke is characterized in that the longitudinal projection of penpoint seamed section is concave is shage, the internal side of concave Read more

Slotted nib capable of writing both thick and thin strokes

Application Number: 00125704Application Date: 2000.10.17Publication Number: 1348870Publication Date: 2002.05.15Priority Information: International: B43K1/02Applicant(s) Name: Wang LiangAddress: Inventor(s) Name: Wang LiangPatent Agency Code: 00000Patent Agent: Abstract The seamed pen joint capable of writing coarse and fine stroke is characterized in that the upper and down two sides of pen point respectively possess a writing face, the ratio Read more

Nib structure of ball-point pen

Application Number: 00106063Application Date: 2000.04.19Publication Number: 1318473Publication Date: 2001.10.24Priority Information: International: B43K1/08Applicant(s) Name: Nemoto Chemical Industry Co., Ltd.Address: Inventor(s) Name: Aoki Takashi;Kusanagi Takeo;Kusanagi TakaichiPatent Agency Code: 11021Patent Agent: tang baobengAbstract The tip structure of ball pen includes a high precision spring installed between the tip ball and the fixing block at tip, and the plunger Read more

Hydrogenation catalyst with TiO2 as carrier of non-crystal NiB alloy

Application Number: 00103351Application Date: 2000.03.02Publication Number: 1262147Publication Date: 2000.08.09Priority Information: International: B01J23/755;C10G45/48Applicant(s) Name: Nankai Univ.Address: Inventor(s) Name: Li Wei;Tao Keyi;Cheng QingyanPatent Agency Code: 12200Patent Agent: zhao zunshengAbstract A hydrogenation catalyst contains carrier of TiO2 and active component of non-crystal NiB alloy (5.26 wt.%) and rare-earth elements (1 wt.%). Said catalyst has very high low-temp activity Read more