首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Drill head
摘要
A drill head for use in drilling bores in mines and tunnels has a bit and at least one suction opening ( 5 ) for removing drillings and having a crushing profile.
申请公布号
US7163070(B2)
申请公布日期
2007.01.16
申请号
US20040898881
申请日期
2004.07.26
申请人
HILTI AKTIENGESELLSCHAFT
发明人
GIENAU ROLAND;LUDWIG WOLFGANG;LEIBHARD ERICH
分类号
E21B10/36;E21B10/60
主分类号
E21B10/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ARRANGEMENT FOR THE HYDRAULIC SYSTEM IN A WHEEL LOADER
Process for optically detecting the emission and/or absorption behavior of samples used in e.g. laser scanning microscopy comprises determining a spectral centroid and/or a maximum of emission radiation and/or absorbed radiation
Mouth-to-mouth resuscitation device
PROCESSES AND APPARATUS FOR THE PRODUCTION OF MAN-MADE VITREOUS FIBRES
Sorting and storage system for recyclable materials comprises row of for different types of material with common lid which contains sloping conveyors of predetermined lengths and angles which tip material into each bin in turn
METHOD FOR PROCESS MONITORING DURING DIE CASTING OR THIXOFORMING OF METALS
PLASTIC LIQUID TIGHT CONNECTOR FOR CABLE, TUBES OR RODS
METHOD FOR PRODUCING ENDS OF METAL OF COMPOSITE PIPE LENGTHS
MOUNTING PLATE FOR FURNITURE HINGES
Treatment of retroviral infections with oxyphenbutazone.
Sertraline Oral concentrate.
Novel antibacterial agents.
Locking device for a steering wheel of an automobile.
Breathalyser for vehicle.
Non-metallic food or beverage container having a heat exchange unit contained therein.
Supporting matter.
Tubular extrusion molding product comprising high molecular weight polyarylene sulfide
Microparticle preparation and production thereof
Method for obtaining a high dynamic range read-out signal of a CMOS-based pixel structure and such CMOS-based pixel structure
PYRIDINECARBOXAMIDE DERIVATIVES
