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7485030 |
Grinding element for mounting in a groove
The present invention relates to a grinding element for mounting in a recess ( 41 ) in a surface of a cylindric drum ( 42 ) and including a retainer means ( 2 ) designed with outer sidewalls that...
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7438633 |
Apparatus for grinding a surface comprising two movably arranged hoods
The present invention concerns an apparatus ( 1 ), preferably for grinding a surface, including at least one grinding unit, a screen ( 2, 3 ) and a guide member ( 5 ), where the grinding unit is a...
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7128640 |
Drum for drum sander for surface mounting of sandpaper blanks
A powered floor sanding system with a rotating sanding drum having a drum core, to which is adhered a compliant sole and thereto a hook component material, using suitable adhesives; in combination...
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7104874 |
Razor sharpening apparatus
A sharpening apparatus for razors includes a blade sharpener rotatably supported within a housing and driven by mechanical activation or by a motor. An opening in the housing provides access to the...
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6500060 |
Rotary polishing discs and arbors therefor
A rotary polishing disc for dental grinding and polishing includes a disc-shaped piece of sheet of abrasive material fixed to a hub. In one embodiment, the hub is a hollow cylinder which is...
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6491576 |
Grinding tool
A grinding tool has radially projecting grinding elements separated by spacers. The grinding elements are provided with radially extending slots. Some of the slots are open-ended. Axially spaced...
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6431971 |
Abrasive brush
This invention provides an abrasive brush having strength and abrasive characteristics similar or superior to those of conventional brushes, and which allows a brush assembly having a desired width...
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6319104 |
Tool for resurfacing machine
A tool for use in an abrading or resurfacing machine includes a head portion, a shank portion and a base portion, the shank portion joining the head and base portions and having a shape that tapers...
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6261164 |
Multiple abrasive assembly and method
An abrasive article is formed from a lofty nonwoven abrasive pad and one or more abrasive sheets. In one embodiment, each sheet has an abrasive layer on its front side and a plurality of engagement...
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5842913 |
Rotary drum sander
A rotary drum sander is provided with a horizontal boom orienting a rotatable cylindrical drum to cover the spirally wound strip of abrasive material above a work supporting platen. The abrasive...
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5700187 |
Tool to stopper and abrade concave and convex surfaces
This tool consists of a deformable plastic supporting base plate (1) bearing on its lower outer surface the stopper and abrasive materials, it further includes two upwards slanting interconnecting...
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5681211 |
Drop-on grinding bit for a grinding apparatus
A grinding wheel assembly to be mounted on a vertical drive shaft extending from an electric motor through a horizontal table of a grinding apparatus. The grinding wheel assembly includes a core...
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5588172 |
Radial brush
A radial brush having a plurality of discrete brush segments mechanically affixed to or mechanically affixed to and bonded to a central core. Each brush segment is a preformed discrete component...
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5492498 |
Multi-piece sanding wheel
A multi-piece sanding wheel having two sanding members mounted about peripheral portions of a disc-shaped support member that is secured to a drive means. Each sanding member includes a C-shaped...
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5355639 |
Device for machining of contours made of a soft material and automatic machining method using such a device
Device for machining contours (2) made of a soft material, such as plastic, and essentially including a rotary tool (6) constituted by abrasive elastic plates (5) whose flexibility makes it...
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5272845 |
Rotary surface finishing device
A rotary tool for performing surface finishing operations such as sanding, grinding, buffing, polishing and others. The tool has a rotary spindle with a shank portion at one end of which is...
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5233719 |
Apparatus and brush segment arrangement for finishing wheel brushes
A brush segment for mounting on a slotted support structure is presented. The brush segment generally comprises: a substrate; a carpet of bristles mounted on the substrate in a preferred manner;...
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5157874 |
Rotary multi-brushes
A rotary sander comprising a cylindrical rotary drum carrying a plurality of brushes, a concentric inner retaining sleeve carrying a plurality of sanding units, and a circular top cover and bottom...
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5088410 |
Plate lockup apparatus for printing press
A plate lockup apparatus for a printing press includes leading- and trailing-side plate lockup tables, leading- and trailing-side gripper plates, a plurality of plate gripper cams, spring members,...
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5076167 |
Arrangement for the parallel tensioning of printing plates
In order that the tension, particularly of large printing plates, and their automatic retensioning, may be regulated uniformly over the entire width without having an adverse effect on the final...
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5074210 |
Plate attachment system for a printing machine form cylinder
To provide for circumferential support of a stretching spindle (8) having axially extending holding or stretching grooves (9, 10) to retain an end portion (14, 17) of a printing plate and clamp the...
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5062363 |
Flexible printing plate attachment system
To clamp a printing form (16), the end portions are inserted into a clamping groove (2, 3) which is formed by a channel (2) extending at an angle into the printing cylinder, and axially thereover....
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4882880 |
Ganging of buffing wheels
A ganged buffing wheel assembly driven by a shaft having keys. The assembly is formed of a plurality of axially coextensive cartridges keyed to the shaft. The cartridges are of light weight such...
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4837985 |
Revolving grinding tool
A revolving grinding tool (1) comprises a support (2) mounting on a shaft (10) and an interrupted resilient cylindrical abrasive body (4) mounted on a circumferential cylindrical surface (8) of the...
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4718204 |
Lamellar end grinding wheel
The invention relates to a lamellar end grinding wheel in which abrasive flaps engage over one another in tile-like manner along the circumferential zones of a circular disc-shaped back plate and...
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4648318 |
Rubber blanket attachment arrangement for an offset rotary printing machine
To reduce the width of the groove (6,7) within which the end portions of rubber blankets (14) of a blanket cylinder are attached, and thus prevent oscillations occurring due to roll-off of the...
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4536994 |
Curved surface sanding device
A device comprising a slotted cylindrical tube mounted on a mandrel is used to sand curved and irregular surfaces. This is achieved by wrapping an abrasive paper strip around the tube. The strip is...
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4534138 |
Nail file having flexible abrasive sheet
A nail file comprises: (a) an elongated holder having an elongated handle, (b) a resiliently flexible sheet having an abrasive surface, (c) and clamping structure on the holder retaining...
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4437270 |
Abrading tool
A tool including a wheel of a firm material adapted to be rotated by a drive assembly, and a support strip of elastic resilient cellular material permanently adhered around a cylindrical peripheral...
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4199903 |
Expandable abrading tool and abrasive insert thereof
An abrading tool (20, 20a, 20b) is disclosed as having a tapered arbor (22) and an abrasive insert 24 including a helical element (28) with a plurality of coils (30) that receive the arbor in an...
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4133146 |
Rotary abrasive tool
A rotary mandrel which can directly engage sandpaper or other wearing material, to eliminate the need for intermediate devices to couple the mandrel to the sandpaper. The mandrel is constructed...
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4067149 |
Sanding, buffing and polishing tools
A sanding, buffing or polishing tool the body of which comprises an operating head a peripheral surface portion of which has a configuration defined by a line revolved about its central axis and...
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4051637 |
Cylinder internal grinder
An internal grinder for the cylindrical internal surfaces of machine parts that features the provision of a flexible wire secured to an end of the main shaft, a pair of holding elements erected...
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3877185 |
Abrading tool
Abrading tools for use in cleaning or preparing inside diameters of bores in a base material or the outside diameters of the ends of rounded pipe or bar stock comprise a body portion adapted for...
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3648413 |
AUTOMOBILE BODY ROLL SANDER
A journaled drum having a longitudinal outer groove in which the opposite ends of a band of abrasive material encircling the drum are anchored. The drum includes opposite end rollers provided with...
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3596411 |
PORTABLE DRUM-TYPE SURFACE-TREATING TOOL
A portable surface-treating tool including a drum which is driven rotatively by a motor, and is mounted for its desired rotation relative to a body of the tool by bearings located at opposite ends...
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3380202 |
Solder fitting cleaning tool
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3254630 |
Architectural engineering pencil sharpener
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3110990 |
Brake lining groover
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3043063 |
Rotary tool
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2843980 |
Abrasive wheel and replaceable abrasive unit therefor
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2819567 |
Rotary abrading tool
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2811816 |
Tire and metal buffing tool
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RE13493 |
Title is not available
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