Matches 51 - 100 out of 194 < 1 2 3 4 >
Match Document Document Title
5445437 Concrete grooving apparatus and method  
A concrete grooving apparatus small and light enough to be manually propelled by an operator cuts decorative grooved patterns into a pavement surface. The apparatus includes a linear tracking...
5435294 Saw  
A saw (10) is provided comprising a frame (20) containing a saw blade (22) and a fluid motor (24), and a handle (28) connected to the frame (22) incorporating means (36b) for connecting to a fluid...
5381780 Green and cured concrete  
A saw for grooving concrete includes a base supported by plurality of wheels such that a cutting guide of the base may press against the green concrete with a predetermined load. A cutter frame is...
5241946 Saw for green and cured concrete  
A saw for grooving concrete includes a base supported by a plurality of wheels such that a cutting guide of the base may press against the green concrete with a predetermined load. A cutter frame...
5233968 Percussion sawing machine to saw stone blocks into slabs  
The invention concerns a percussion sawing machine to saw stone blocks-particularly granite-into slabs, of the type comprising a stiff support framework, a blade frame (6) performing an alternate...
5230270 Machine for cutting concrete barriers  
A machine for cutting concrete blocks especially continuously molded, highway dividing barriers of the New Jersey type, in a very fast and easy manner. The machine is mounted on a support base...
5199412 Production facility for the mechanized fabrication of masonry  
A production facility for the mechanized fabrication of masonry includes a turnover table (6) which receives a plurality of building stones (12) intended for a building-stone course of a wall that...
5193519 Underground gallery saw  
An improved underground gallery saw useful for the cutting of stone comprised of a supporting base, tracks for moving the supporting base along the stone to be cut, a saw unit raising and lowering...
5193518 Portable wire saw  
A portable wire saw for cutting materials such as stone, concrete, asphalt and the like such as highway lane barriers. The portable wire saw includes a frame having a base on which is mounted a...
5186157 Guide and support structure for surface cutting apparatus  
A rotary cutter saw apparatus (C, B) is movable along an elongated rail element (1). To permit continuous selected longitudinal adjustment of support blocks (8, 34) with respect to a base support...
5176426 Concrete grooving apparatus  
An apparatus for cutting a decorative grooved pattern into the surface of hardened concrete, pavement or the like. The patterns are comprised of spaced concentric circles or arcuate segments or...
5167215 Dust removal apparatus for a concrete saw  
A concrete saw mounted on a wheeled housing for making a substantially linear cut in the surface of a masonry slab is provided with a dust removal apparatus. The dust removal apparatus includes a...
5165285 Driving device  
A driving device in particular for sawing machines comprises two hydraulically rotatable members (23, 24), which are rotationally connected to each other and one of which is adapted to transmit...
5127391 Tile and marble cutting saw apparatus and method  
A marble and tile cutting apparatus and method wherein the apparatus comprises a support, a tray on the support moving between a cutting and a non-cutting position, the motor mounted on the support...
5104195 Self-propelled apparatus for cutting asphalt and concrete  
A self-propelled apparatus for cutting asphalt and concrete which includes a low voltage electric motor for driving support wheels of a carrying frame supporting an engine for driving a cutting...
5090397 Pile cutter support  
A pile cutter support comprises a pair of sections which engage opposing faces of a pile. Platforms integrally extend from the engagement portions in a generally perpendicular relationship so as to...
5078119 Chain saw cutting assembly  
A chain saw cutting device and method for flush and square cutting walls and other flat concrete surfaces is disclosed. The chain saw cutting device is typically used in conjunction with a...
5056499 Apparatus for cutting concrete  
In order to cut soft concrete before it has completely hardened, or about 12 to 18 hours after finishing, a rotating cutting blade and its drive motor are mounted on a wheeled support platform. The...
5056272 Method and apparatus for reducing thickness of stone slabs  
A stone slab is processed to reduce its thickness far more quickly and with much less difficulty according to an improved method and using a new machine. The machine includes a pair of motor driven...
5044696 Curb cutting system and method  
A fully powered, one man curb cutter is mounted as part of a special purpose trailer, for towing behind a vehicle to its location of use. A motorized and steerable fifth wheel is deployed...
4998775 Apparatus for precision cutting of concrete surfaces  
A concrete cutting machine for making parallel precision linear cuts to repair a joint in a concrete floor. A self-propelled vehicle follows a linear track segment accurately positioned with...
4979412 Sawing machine  
A sawing machine comprises a housing (14), an arm (3) pivotable relative to the housing about an axis (2), a member (4) on the arm, said member being arranged for connection to a saw tool and being...
4974578 Housing for mounting a spindle of an internal diameter saw blade  
The wafering machine is provided with a two-piece housing for mounting the spindle of the saw blade. One housing part is mounted on a fixed axis of a support shaft while the other part is pivotally...
4953523 Quick release mechanism for the tool of a concrete/asphalt abrader  
A quick release mechanism for disengaging the cutting blade of a masonry saw is disclosed. Rotation of a threaded shaft to achieve axial movement through a closed partially threaded split collar...
4940038 Tile and marble cutting saw apparatus and method  
A marble and tile cutting apparatus and method wherein the apparatus comprises a support, a tray on the support moving between a cutting and a non-cutting position, the motor mounted on the support...
4921308 Mobile machine suspension system  
An improved suspension system for a mobile machine adapted to work a material associated with a horizontal surface includes a frame mounting a prime mover. An arbor shaft extends transversely...
4903681 Method and apparatus for cutting a cylindrical material  
Method and apparatus for cutting a cylindrical material formed of silicone or the like which is an original material to produce semiconductor devices, using a rotary blade. In the cutting method,...
4899719 Apparatus for collecting wafers  
An apparatus for collecting wafers sliced from a semiconductor crystal rod, and the apparatus includes a primary mobile member, a secondary mobile member and a wafer collection assembly. The...
4896647 Cutting tool system for cutting stone and method of cutting same  
A cutting system for cutting heavy stone slabs wherein the heavy slabs are supported in a fixed horizontal position by means of a plurality of apertures which are adapted to receive a plurality of...
4887585 Method and apparatus for cutting taps in sewer lines  
A hydraulically-driven, self-propelled, in-line sewer tap cutter includes roller bearings mounted to the skids and extending beyond the outer edge of the skids to maintain the frame spaced apart...
4881518 Apparatus for manufacturing and handling thin wafers  
Apparatus for manufacturing thin wafers from bars, such as in the manufacture of wafers for use as semiconductor substrates, include an arrangement wherein a holder member is fastened to the bar,...
4880335 Method and apparatus for removing concrete coating from pipe  
An apparatus having improved safety and performance characteristics for the removal of a coating from a tubular member, and particularly adapted for the removal of a concrete weight coat from...
4848845 Steerable self-regulating concrete cutting saw  
A self-propelled concrete cutting saw in which the saw and self-propelled platform associated with the saw are both driven by hydraulic motors, with separate motors for each of the two propelling...
4840431 Portable rotary power saw  
A portable rotary power saw comprising a housing having mounted at its aft end a pair of rear wheels and a handlebar assembly. Mounted at the fore end of the housing a rotary cutting blade and a...
4836494 Device for mounting a rail or the like on a surface  
A device for mounting a rail (1) on a surface which particularly is non-horizontal, comprises at least one mounting element (11) adapted to be secured on said surface, at least one connecting...
4832412 Machine for cutting pavement  
There is disclosed a powered truck-like vehicle having a support base at the back and an apparatus for cutting street or road pavement. A length-wise-extensible boom is mounted at one end on the...
4817581 Adjustable support for cutting apparatus  
A cutting tool such as a tile saw is pivotally connected to a linear guide rod with a four-bar linkage. The linkage allows the cutting tool to be raised and lowered over a work table to facilitate...
4797025 Device for cutting a receptacle in pavement to receive a reflector  
A device for cutting slots of varying lengths and shapes in pavement to receive a reflector, the cutting blades for cutting the slot always being at right angles to the tangent to that portion of...
4778304 Pavement joint reworking apparatus  
Apparatus for reworking pavement expansion joints by resizing the joint includes a frame having front and rear portions hinged to one another at a transverse pivot axis. The frame pushed along the...
4756298 Apparatus for machining relatively hard building material  
The drive motor (1) drives a machining tool (2) which can be fed forwardly by means of a feed motor (3). Both motors (1, 3) are supplied with pressure fluid by the same hydraulic pump (4). A...
4748966 Self-regulating concrete cutting saw  
A self-propelled concrete cutting saw in which the saw and the self-propelled platform associated with the saw are both driven by hydraulic motors, with the speed of longitudinal movement of the...
4691685 Sawblade collar assembly  
A collar assembly is described, for use on a concrete cutter, which enables the major portion of the machine to be easily detached from a stuck sawblade and moved forwardly or rearwardly away from...
4653361 Measuring system in an annular slicing machine  
The slicing machine has a mounting table carrying the workpiece to be sliced by the cutting blade. The mounting table is supported on an elastically deformable measuring plate of which the...
4557245 Concrete cutting or milling apparatus including a guide rail  
A concrete cutting or milling apparatus has a milling head carrying a power driven circular saw blade or milling cutter movable along a guide rail having a plurality of guide rail sections that may...
4552122 Portable apparatus for shaping glass by abrasion  
A portable apparatus for shaping glass by abrasion utilizes a pneumatic motor carried by a carriage which travels along a track. A glass cutting abrasive blade is driven by a pneumatic motor and a...
4541404 Tile cutting apparatus  
Tile cutting apparatus having a work table to support a tile and support means for a cut-off saw, wherein the support means comprises a cantilever arm extending upwardly from one side of the table...
4456303 Machine and method for grooving pavement  
A method and apparatus are disclosed for grinding out a crack in pavement in preparation for filling the crack. A narrow groove is formed in the pavement following the crack by a single grooving...
4438754 Method for sensing and remotely controlling a tool to workpiece spatial relationship  
An electromagnetic system is provided for accurately sensing and remotely controlling a tool-to-workpiece spatial relationship. A typical application of the system may include a saw being sensor...
4375212 Concrete sawing machine propulsion control apparatus  
A self propelled sawing machine that includes a frame having ground engaging front and rear wheels, an engine driven infinitely variable hydrostatic or mechanical transmission on the frame that is...
4368720 Method and apparatus for cutting concrete columns  
Column cutting method and apparatus wherein an abrasive saw is mounted pivotally on a track encircling a concrete column. Pivotal movement of the abrasive saw sequentially cuts a circumferential...
Matches 51 - 100 out of 194 < 1 2 3 4 >