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8070558 |
An epoxy porcelain tile surface including a plurality of spaced, substantially flat substantially smooth porcelain tiles and epoxy grouting substantially filling the spaces between the porcelain tiles. The plurality of spaced, substantia...
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7670208 |
The invention concerns a carrier plate (2) holding an abrading element, for detachable mounting on a rotatably mounted abrading plate (1) driven during use, for abrading stone or concrete floors, which carrier plate (2) has sides (2a, 2b...
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7415978 |
A method and an apparatus 10 for cutting an object 64, such as a grinding wheel. Particularly, the object 64 is placed in a horizontal manner and concomitantly rotated with the cutter 14 during the entire cutting operation. The rotation ...
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7302946 |
A scarifier assembly including a generally rectangular shaped case with a hollow interior, a resilient generally rectangular pad located in the hollow interior of the case, and a removable work performing surface insert having work surfa...
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7220171 |
A cutting cup for a sphere making machine. The cutting cup includes a cylindrical ring having an outer wall, an inner wall, a bottom wall, and a top wall, the top wall having at least one beveled facet angled downwardly from the outer wa...
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6979418 |
A method to create blocks having a weathered and aged look by modifying the blocks before they are cured. Green blocks exiting a block forming machine are conveyed along a path past brush elements which scrub block mix from the upper lon...
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6941939 |
The facing machine for hard-fired ceramic tiles comprises: a structure for supporting, and setting the cutting depth of, at least one pair or rotary rollers at a grooving station, the axis of the rollers lying transverse to the infeed pa...
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6736127 |
An inline apparatus and method for processing an unworked masonry article to produce a decorative masonry article having pitched face edges located in a non-parallel relationship to each other. The inline apparatus includes a conveyor li...
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6371838 |
A method and apparatus for polishing and planarizing workpieces such as semiconductor wafers is presented. Conditioning rings, which are used to condition polishing pads used in the planarization or polishing of semiconductor wafers, are...
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6350184 |
A method and apparatus for polishing and planarizing workpieces such as semiconductor wafers is presented. Conditioning rings, which are used to condition polishing pads used in the planarization or polishing of semiconductor wafers, are...
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6347981 |
A method and apparatus for polishing and planarizing workpieces such as semiconductor wafers is presented. Conditioning rings, which are used to condition polishing pads used in the planarization or polishing of semiconductor wafers, are...
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6213931 |
The present disclosure is summarized as an improved cutting tooth for mounting on a stump cutting wheel driven by a suitable power plant. The tooth itself includes a long root to enable it to be clamped on the cutting wheel. When appropr...
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6126523 |
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5868124 |
A radius dresser is provided including a base removably secured to a recipient surface. Also included is a cutting tip holder rotatable and radially slidable with respect to the base. The holder is selectively fixed with respect to the b...
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5842912 |
A conditioning ring having cutting elements brazed-bonded to the bottom surface of the ring and suitably adopted for conditioning a workpiece polishing pad by contact with the pad. The conditioning ring further includes a flange extendin...
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4754276 |
An apparatus for determining the angle and height of a rotary power saw blade by sensing the angle of the saw blade from the vertical and the sine of the angle with respect to a horizontal reference as the blade height is changed. A disp...
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4702223 |
A scarifier case for mounting on disc rotor grinders, wherein the case is designed to snap attach and quick disconnect selected grinder inserts in the case without requiring the case to be removed from the rotor disc to change a selected...
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4691684 |
Apparatus for modifying building blocks which vary somewhat in size to provide spaced-apart depressions in the top and bottom surfaces thereof with the bottoms of the depression in the bottom surface being at a uniform distance from the ...
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4393856 |
Apparatus for milling building blocks comprise a first arrangement for milling said blocks at a first side thereof, and a second arrangement for milling said blocks at a second side thereof. Apparatus are located between the mentioned fi...
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4256078 |
Unfinished bricks are placed lengthwise on the inlet end of a first horizontal frame section, and are pushed one after another toward a discharge station at the opposite end of the section by a plurality of spaced flight bars, which are ...
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4145086 |
Disclosed is a method and machine for digging a ditch for use in, for example, duct disposition therein. In the floors and walls of a concrete structure, for example, three preparatory ditches or channels are dug by means of rotary blade...
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3918210 |
Apparatus for supporting masonry blocks on a bed and gripping them between a row of movable powered members and a row of opposed support or thrust members, to continuously feed the blocks into a cutter station and between two parallel di...
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3727258 |
This invention relates to an adapter for portable power drills whereby the same may be used to provide power for operations other than drilling as, for example, for scraping, grinding or buffing. The tool to be used has a shaft which is ...
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3722022 |
Apparatus for removing an outer surface such as a coating of paint from a masonry base includes a rotatable, resilient disc having a support stem extending from one side of the disc, and a set of elongated members extending from the othe...
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3664068 |
A rotary abrasive grinding head adapted progressively to traverse a pre-grooved refractory surface, embodying impact members which fracture the intervening ribs between the grooves and thus remove the fractured fragments, and also embody...
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3612030 |
A method for sampling rock and other brittle materials and for controlling resultant particle sizes is described. The method involves cutting grooves in the rock surface to provide a grouping of parallel ridges and subsequently machining...
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3580235 |
A slate-chamfering machine is disclosed which comprises at least one rotatably drivable cutting tool, the machine being adapted to present at least one edge of a substantially rectangular slate to the cutting tool, and feeding means for ...
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3575155 |
A machine for producing decorative, irregular striations in the face of building stone, comprising a conveyor for moving the stone to be striated past a rotating drum carrying a multiplicity of stone-grooving teeth distributed axially an...
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3550575 |
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RE25410 |
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RE14392 |
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3606470 |
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1236894 |
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1230842 |
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1166974 |
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1117245 |
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1102856 |
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1084810 |
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1071219 |
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1044926 |
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1027558 |
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0934791 |
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0898820 |
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0894267 |
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0861387 |
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0846342 |
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0827993 |
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0817000 |
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0795184 |
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0788375 |
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