Class 175/403 - Core forming type

Subclass of Class 175 - Boring or penetrating the earth
Definition: Apparatus in which the cutter element or cutting edge of
No. of applications: 29
Last issue date: 01/26/2012

Application No.	Application Title	Issue Date
20120018220	CORE SAMPLE ORIENTATION A core orientation device (10) for a core drill (12). The device (10) comprises an arrangement (14) for providing signals (16) associated with a physical orientation (18) of the core orientation device (10). Processing me...	01/26/2012
20110303465	IMPREGNATED DRILLING TOOLS INCLUDING ELONGATED STRUCTURES Impregnated drilling tools include elongated structures that provide enhanced properties. The drilling tools contain a diamond-impregnated cutting section that contains elongated structures made from carbon, glass, ceramic, and the like. The elongated structures can com...	12/15/2011
20110226533	PROGRESSIVE CUTTER SIZE AND SPACING IN CORE BIT INNER DIAMETER A core drilling bit comprising a tubular body having an inner diameter, an outer diameter, and a leading face spanning from the inner diameter to the outer diameter; and a plurality of cutters mounted in the face; wherein cutters mounted along the inner diameter vary in...	09/22/2011
20110174546	CORE DRILL BIT A drill bit is disclosed. The drill bit has an axis, and a barrel, and a cutting member fixed to the barrel. The barrel is arranged to engage a drill shaft for driving the drill bit around the axis. The barrel and the cutting member are adjacently located on the axis. T...	07/21/2011
20110031027	CORE DRILL BITS WITH ENCLOSED FLUID SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th...	02/10/2011
20100243332	TUBULAR SOIL AUGER AND MANUFACTURING METHOD A soil auger for creating smooth-walled cylindrical holes in the earth is provided for use with a drill. The auger has a central rotational axis with a tubular body that is open at a bottom cutting end, and enclosed at a top end by a cap assembly. The cap assembly has a...	09/30/2010
20100101866	DRILL BITS AND OTHER DOWNHOLE TOOLS WITH HARDFACING HAVING TUNGSTEN CARBIDE PELLETS AND OTHER HARD MATERIALS A hardfacing is provided to protect surfaces of drill bits and other downhole tools. The hardfacing may include tungsten carbide particles or pellets formed with an optimum weight percentage of binding material and dispersed within and bonded to a matrix deposit. The tu...	04/29/2010
20100089660	DRILL BITS WITH AXIALLY-TAPERED WATERWAYS Implementations of the present invention include drilling tools having axially-tapered waterways that can increase flushing and bit life, while also decreasing clogging. According to some implementations of the present invention, the waterways can be radially tapered in...	04/15/2010
20100012382	DRILL BITS WITH INCREASED CROWN HEIGHT Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th...	01/21/2010
20100012386	DRILL BITS WITH ENCLOSED SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th...	01/21/2010
20100012385	DRILL BITS WITH ENCLOSED FLUID SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th...	01/21/2010
20100012381	DRILL BITS WITH NOTCHES AND ENCLOSED SLOTS Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th...	01/21/2010
20100006344	DRILL BITS WITH ENCLOSED FLUID SLOTS AND INTERNAL FLUTES Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th...	01/14/2010
20090283326	SONIC DRILL BIT FOR CORE SAMPLING A drill bit for core sampling includes a body having a central axis and first end having a tapered outer surface and a radius transverse to the central axis, and an insert having a cutting surface on the first end oriented at an axial angle relative to the radius to mov...	11/19/2009
20090255679	Valve, core sampling apparatus and method A selectively operable downhole valve for use with core sampling apparatus, the valve comprising a throughbore through which a first body may pass, and an obstructing member which is capable of selectively obturating the throughbore, the obstructing member being arrange...	10/15/2009
20090159335	MONITORING APPARATUS FOR CORE BARREL OPERATIONS A coring apparatus is provided having an outer core barrel associated with a drill bit; an inner core barrel adapted to accept a core sample; and one or more sensors adapted to provide data relating to downhole conditions. The sensor may be selected from the group of: a...	06/25/2009
20090071724	DRILLING SYSTEMS INCLUDING FIBER-CONTAINING DIAMOND-IMPREGNATED CUTTING TOOLS Diamond-impregnated cutting tools including fibers and drilling systems incorporating such tools are described. The cutting tools contain a diamond-impregnated cutting portion that contains fibers made from carbon, glass, ceramic, polymer, and the like. The fibers may b...	03/19/2009
20080296069	Novel core drill bit housing and core drill bit The present invention is a drill bit for cutting holes in materials such as concrete comprising a cylindrical body having a leading edge, a top edge and a conical top plate. The top plate has an aperture about its center and is affixed to the top edge of the cylindrical...	12/04/2008
20080277167	DRY DRILLING AND CORE ACQUISITION SYSTEM A rotary dry drilling system comprises a surface mounted drill having a drill bit and a drill bit driver rotationally connected by a hollow drill string. There is included core sample capture means adapted to travel from the head of the drill string to the tail of the d...	11/13/2008
20080179091	Suction Coring Device and Method Devices and methods for obtaining cores from a sea bed. A corer device includes one or more core barrels for retaining a cores and one or more pressure barrels. Fluid pressure within the pressure barrels is selectively varied to cause the corer device to be drawn into a...	07/31/2008
20080142262	Core Drill Bit with Extended Crown Height Core drill bits with long crown heights are described herein. The core drill bits have a series of slots or openings that are not located at the tip of the crown and are therefore enclosed in the body of the crown. The slots may be staggered and/or stepped throughout th...	06/19/2008
20070181342	Hole coring system A hole coring system is provided that greatly stabilizes a tubular core drill bit for drilling into concrete or other materials enabling large diameter holes to be drilled with a handheld tool. The hole coring assembly includes a hollow drive shaft assembly that fits ov...	08/09/2007
20060283637	Rotating dry drilling bit A rotating dry drilling bit for low thrust drilling of an annular bore hole into a body of rock and obtaining an extremely small diameter core sample comprises a bit crown moulded to the end of an annular steel body. The bit crown comprises a plurality of radially exten...	12/21/2006
20060076162	Self cleaning coring bit A coring member useful in wellbore excavating operations comprising at least one segment disposed onto the end of a shaft, where a channel is formed between each at least one segment. The at least one segment has an impeller like arrangement that on rotation produces a ...	04/13/2006
20060006002	Working tool for machining mineral constructional components A working tool for machining mineral constructional components, in particular, for machining mineral constructional components, mineral foundations, and the like with an ultrasonic tool, has a carrier body which is formed of an unalloyed hardened steel having a carbon c...	01/12/2006
20050161263	Core bit for use with a core drill The present invention relates to a core bit (1) for a core drill in which a tube (20) is detachable relative to a coupling (10), and has a structure which allows core remaining in a tube to be removed out of an opening of the tube at a side thereof ...	07/28/2005
20050133275	Apparatus and methods for sponge coring A sponge core barrel for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge core barrel includes an outer barrel assembly, a core bit secured to a lower end thereof, and an inner b...	06/23/2005
20050061552	Rotary drill bit A drill bit includes a body defining an axis and first and second cylindrical portions, a coupling adapted for connection with a rotary driver, and a depth stop adjustably secured to a first portion by a plurality of adjusting fasteners in a manner to limit penetration ...	03/24/2005
20050016775	Core drill A plurality of chip evacuating grooves (16, 26, 36, 46a, 46b) in a vertical direction in parallel with a rotational axis of a core main body (14) are formed at an outer peripheral face of the core main body (14) in a circumferen...	01/27/2005

PatentStorm

Bizarre Patents

PatentStorm News

Class 175/403 - Core forming type