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A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.
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| Number | Title | Issue Date |
| 7413026 | Lubricant system for powered hammer A powered hammer includes a housing, a tool holder coupled to the housing and configured to hold a tool, a motor within the housing, a cylinder disposed within the housing, and a piston slideably mounted within the cylinder. A drive mechanism converts rotary output ... | 08/19/2008 |
| 7401661 | Lubricant pump for powered hammer A vibration reduction and lubricating mechanism for a powered hammer includes a power driven piston in a cylinder that reciprocatingly drives a ram, which repetitively strikes a beat piece, which repetitively strikes a tool received in a tool holder. The vibration r... | 07/22/2008 |
| 7308949 | Concrete drill A concrete drill for drilling concrete or the like by a diamond bit (5) attached to a front end of a bit drive shaft (4) projected forward from a main body (1) by driving to rotate the bit drive shaft (4) by a drive source (2) cont... | 12/18/2007 |
| 7275605 | Rotatable drill shoe A rotatable drilling shoe attachable to a section of casing that allows for drilling and casing of a well bore in a single trip. The drilling shoe includes a fixed section and a rotatable section that has a drillable bit attached thereto. The drilling shoe further i... | 10/02/2007 |
| 7252155 | Percussive power tool with flushing head A power tool (1) having a striking means (5), by which a percussive tool (2) that can be driven at least partially along an axis (A) struck directly and having a flushing bore (4) extending at least partially longitudinally through a tool... | 08/07/2007 |
| 7210555 | Low frequency acoustic attenuator for use in downhole applications An acoustic attenuator includes a housing having an inner side surface which defines an interior chamber and at least one dampening member both physically and acoustically coupled to the housing and projecting into the interior chamber. Acoustic energy propagating w... | 05/01/2007 |
| 7131795 | Tool device, and method for drilling A tool, a device, and a method for drilling capable of very easily forming a hole part in a drilled matter by extremely smoothly discharging chips produced at drilled positions so as to maintain an excellent drilling efficiency. By using a drilling tool having a sha... | 11/07/2006 |
| 7073607 | Operating system for hydraulic rock drill A hydraulic rock drill comprises a housing having a piston and valve bore formed therein, a rotation motor, and a fluid connection and fluid reservoir interposed between the housing and the rotation motor. Fluid connections to the hydraulic rock drill comprise a sin... | 07/11/2006 |
| 6918455 | Drill bit with large inserts A percussion drill bit is provided that has at least two different pluralities of inserts extending from the bit head to better match the conditions seen on the bit head during drilling. The preferred embodiment has a plurality of large inserts with a polycrystallin... | 07/19/2005 |
| 6752222 | Downhole percussion drills Provided is a downhole percussion drill, which is installed at an end portion of a drillstring and performs drilling by giving impact blows to a drill bit at the bottomhole, which includes a hydraulic hammering mechanism 7 which uses oil having high lubricati... | 06/22/2004 |
| 6050346 | High torque, low speed mud motor for use in drilling oil and gas wells A improved "mud motor" for use in oil and gas well drilling includes a reciprocating valve and piston arrangement that generates power using drilling fluid media (e.g., drilling mud) pumped through an inlet port to form a differential across a piston seat... | 04/18/2000 |
| 6050347 | In Hole hammer An in-hole hammer for boring in ground has an elongated hollow housing carrying an internal striking piston in a piston chamber. An exchangeable boring head is threadably connected to the forward end of the housing and the striking piston impacts against ... | 04/18/2000 |
| 5992537 | Back end connection in a downhole drill A pneumatic downhole impact drill has a backhead for mounting an inlet check valve and a mounting hub for mounting a fluid delivery tube. A split ring has an interior circumferential groove forming upper and lower shoulders and comprises two substantially... | 11/30/1999 |
| 5787995 | Water driven hammer device A water driven hammer device has a machine housing and a hammer piston movable to-and-fro in the machine housing. The hammer piston is guided in the machine housing in two guides separated from each other. The guides are formed from two parts each having ... | 08/04/1998 |
| 5715897 | In-hole rock drilling machine with a hydraulic impact motor An in-hole rock drilling machine has a hydraulic impact motor within a housing. The hydraulic impact motor has a spool valve contained within a valve housing. The spool valve has two operating positions to alternately pressurize and depressurize a drive c... | 02/10/1998 |
| 5680904 | In-the-hole percussion rock drill A hydraulic reciprocating percussion tool, particularly adapted for drilling applications, comprises an elongated cylinder, opposed fronthead and backhead members and a central bore in the cylinder for supporting a reciprocating piston hammer. The piston ... | 10/28/1997 |
| 5564510 | Pneumatic drill hammer According to the invention, a drill hammer (10) generally comprises an outer tube (55), a control casing jacket (60) inclusive of check valve (59) and a central tube (80) having radial passages (81, 83). A ram (75) is guided on central tube (80), onto the... | 10/15/1996 |
| 5402854 | Fluid distributor for a debris flushing system in a percussive, fluid-activated apparatus A fluid distributor for a debris flushing system in a fluid-activated jackhammer includes a bore through a reciprocal piston, for fluid flow into an exhaust chamber, a fluid distributor removably mounted in the piston bore, the fluid distributor operating... | 04/04/1995 |
| 5350023 | Pneumatic hammer A pneumatic hammer is provided with an adjusting piston (37) dependent on the supply pressure, which adjusts the stroke length of the working piston (16). Thereby, the same pneumatic hammer may be operated both at low and high supply pressures. With high ... | 09/27/1994 |
| 5318140 | Fluid operated drill apparatus Down-the-hole drill comprising a housing (1), a hammer piston (6) movable to-and-fro in the housing and intended for impacting a drill bit (5). A back piece (3) provided with an extension (12) with a valve part (17) cooperates with a part (8) of a central... | 06/07/1994 |
| 5139096 | Pneumatic percussion hammers A pneumatic percussion hammer for attachment to a drill tube is coaxially constructed about an outflow tube which is mounted therein for axial removal and replacement when worn. A cylindrical piston moves axially between a top sub wherein a drill stem is ... | 08/18/1992 |
| 5131476 | Down hole percussion drill apparatus A downhole percussion drill or hammer (100) is disclosed having an outer casing (2) in which a reciprocating piston (26) which periodically impacts a drilling bit (16) disposed at a bottom end of the casing. A top chuck (1), attached to the top end of the... | 07/21/1992 |
| 5117923 | Hydraulic jackhammer The hydraulic jackhammer is provided with a rotor turbine which is driven by a liquid stream in order to activate the tup for driving against a jumper rod. After passing by the turbine rotor, the liquid stream is mixed with air and passed through a nozzle... | 06/02/1992 |
| 5115875 | Hammer drills for making boreholes A valveless-type down-the-hole hammer drill which has an inner tube extending from the upper end of the hammer body into a central opening in a cutter bit reciprocably mounted in a chuck on the opposite end of the hammer body. High pressure fluid is suppl... | 05/26/1992 |
| 5080179 | Down the hole hammer equipment The invention is concerned with pneumatic percussion drilling equipment with advantageous manufacturing simplicity and effective piston area to casing size consisting essentially of an elongate hollow casing housing a piston assembly and having a backhead... | 01/14/1992 |
| 5064002 | Concentric drill rod assemblies for percussion rock drills A percussion drill rod assembly comprising an elongated inner percussion blow transmitting rod of substantially constant diameter supported in a tubular torque transmitting coupling member by spaced apart sets of resilient isolator members secured to the ... | 11/12/1991 |
| 5038874 | Drill bit having a flushing medium channel A drill string for top hammer drilling includes a drill bit, a set of central rod members for transferring impact energy to the drill bit, and a set of tubular members surrounding the rod members for transferring rotation to the drill bit. The rod members... | 08/13/1991 |
| 4923018 | Percussion drill A percussion drill comprises a drill bit and a reciprocable hammer piston for imparting blows to the bit. Pressurized air is supplied to the piston for reciprocating the piston. Some of the air is by-passed to an exhaust passage and is exhausted ahead of ... | 05/08/1990 |
| 4921052 | Downhole recirculating hammer A downhole reverse circulation hammer is provided comprising a tubular housing and a top sub and drill bit supported mounted on either end of the housing. A central axis tube extends through the housing, top sub and drill bit support and a piston is slida... | 05/01/1990 |
| 4921056 | Hammer drills for making boreholes A valveless-type down-the-hole hammer drill which has an inner tube extending from the upper end of the hammer body into a central opening in a cutter bit reciprocably mounted in a chuck on the opposite end of the hammer body. High pressure fluid is suppl... | 05/01/1990 |
| 4840238 | Superposed drilling device In a scavenger is supplied through a scavenging pipe (26) to the internal pipe string (11), the scavenging pipe (25) extending through a bore (27) of the hammer piston (17) of the hammer drill. Due to a rotary drive (14), the drilling strings (10,11) are ... | 06/20/1989 |
| 4819739 | Fluid actuated rock drill hammer An improved fluid actuated rock drill hammer as shown having a cylinder housing, a reciprocal piston, and a centralized air distributing control tube axially extending through a central bore in the piston for controlling the operation of the piston. The c... | 04/11/1989 |
| 4805705 | Drill bit A drill bit for use in a drill string comprising a set of a plurality of central rod members and a set of a plurality of tubular members surrounding said rod members. The drill bit is provided with a longitudinally extending flushing channel which communi... | 02/21/1989 |
| 4771835 | Downhole hammer A down hole hammer comprising a substantially cylindrical casing having a top sub at one end and a drill bit support at the other; a central passageway extending through the top sub, casing and drill bit support; a central tube coaxial with the casing and... | 09/20/1988 |
| 4753302 | Valveless pneumatic hammer A valveless pneumatic hammer comprising a backhead assembly at one end of a hollow casing and a bit assembly at the other end of the casing, a rod extending into the casing and having a passage out to atmosphere at the other end of the assembly, a chamber... | 06/28/1988 |
| 4736808 | Percussive tool with high pressure fluid jet In a percussive tool in which a very high pressure and preferably cavitating water jet is directed through an opening in the working surface of the tool, the jet is formed by a nozzle positioned in a cavity behind the opening and decoupled from the tool b... | 04/12/1988 |
| 4681170 | Rock drills for drilling continuously arrayed bores A rock drill for drilling a plurality of arrayed continuous bores includes a plurality of rods positioned so as to be able to drill several arrayed continuous bores, a rotating member to give rotation to the rods and a single percussion member which impar... | 07/21/1987 |
| 4660658 | Hydraulic down-the-hole rock drill Pressurized water is used to operate a percussive down-the-hole drill and the spent motive fluid is used as a flushing fluid. A rear cylinder chamber (24) is constantly pressurized and a valve (28) controls the inlet from the chamber (24) to a bore (23) t... | 04/28/1987 |
| 4450920 | Hydraulic reciprocating machines A reciprocating machine comprising a cylinder with a drive chamber and a return chamber; a piston arranged to move to and fro in the cylinder with a first piston area exposed to the drive chamber and being smaller than a second piston area exposed to the ... | 05/29/1984 |
| 4446929 | Fluid operated rock drill hammer A fluid operated rock drill hammer includes an annular hammer body with the upper end of the hammer body adapted to be connected to a drill string and with a drill chuck mounted at the lower end of the hammer body. A drill bit extends through the drill ch... | 05/08/1984 |
