Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AIR HAMMER BIT FOR CRUSHING REINFORCED CONCRETE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/208008
Kind Code:
A1
Abstract:
The present invention relates to an air cylinder which operates by a pneumatic pressure, a piston which moves up and down in the interior of the air cylinder, and an air hammer bit which is coupled to the piston and crushes a reinforced concrete structure through up and down vibration and rotation, the air hammer bit comprising: a bit shaft (100) which serves as a body of a bit; an enlarged diameter part (200) having a diameter expanded at the lower end of the bit shaft (100); a plurality of excavating carbide tips (300) which are inserted to protrude on the surface of the enlarged diameter part (200); and a cutting block (400) which is detachably coupled to the enlarged diameter part (200) and protrudes to the surface of the enlarged diameter part (200) so as to cut a reinforcing bar in the process of crushing a concrete structure.

Inventors:
PARK, Young Taek (1008ho 109dong, 752 Dongil-roJungrang-gu, Seoul, 02095, KR)
Application Number:
KR2018/003525
Publication Date:
November 15, 2018
Filing Date:
March 26, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PARK, Young Taek (1008ho 109dong, 752 Dongil-roJungrang-gu, Seoul, 02095, KR)
International Classes:
E04G23/08; B28D1/14
Foreign References:
KR101536674B12015-07-14
JP4358164B22009-11-04
JP4514359B22010-07-28
JP5461253B22014-04-02
JP2006326996A2006-12-07
Attorney, Agent or Firm:
KOH, Young Hoe (SUNG CHANG Patent Attorneys & Professional Engineers, 1305ho SeochoShinsung miso city,51, Seochojungang-ro,Seocho-gu, Seoul, 06654, KR)
Download PDF: