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Document |
Document Title |
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6273652 |
Plug cutter with radial relief and plug ejecting portion
A plug cutter is described that is rotatable about an axis of rotation. the plug cutter has a main body having a longitudinal axis coinciding with the axis of rotation. The main body defines a bore...
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5681134 |
Device for cutting frustoconical plugs from a board
A device for cutting truncated dowels from a board, with a device including a one-piece cutting body shaped as a hollow cylinder and having a concentric clamping shank. The cutting body is provided...
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5433121 |
Center core extracting drill bit
A core extracting drill bit is provided including an elongated hollow body including a forward cutting end and a second rearward rotary torque input end. The body defines a central chamber therein...
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5304020 |
Cutting tool for making cylindrical bores
A cutting tool for making cylindrical bores includes two or More cutting inserts and radially or approximately radially directed blades which leave an uncut core, as well as chip removal devices...
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5098234 |
Hollow drill for fabric and the like
A hollow drill for fabric and the like is comprised of a hollow shaft having highly polished inside and outside surfaces and an outside diameter of preferably not more than 0.130 inches. A tip...
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5054971 |
Apparatus for removing damaged portions of rubber components
The present invention refers to an apparatus for removing damaged portions of rubber components, in particular of steel-braced radial-ply tyres, including a driven and rotating tool. The tool (1)...
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5049010 |
Metal cutting tool
A metal cutting tool is disclosed which includes a cylindrical cutting body (12) having an outer cylindrical surface (13) approximating the size of the hole desired and an inner wall (14) which...
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4652185 |
Hole saws
A device for removing waste plugs from hole saws comprising a plug member positioned internally of a hole saw and retained therein by means of screws or other projections which extend outwardly...
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4632611 |
Paper drill
A drill for a paper drilling machine. The drill is made of two separate parts, namely a cutting bit of hollow generally cylindrical form having an annular cutting edge at one end, and a hollow...
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4616964 |
Carbide drill
At the top surface of a drill head, one or two tips are fixed radially with a little clearance from the axis of rotation, and thereby a nonmachining zone is formed around the axis of rotation. Each...
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4595321 |
Plug cutter
A woodworking tool for cutting plugs including a generally cylindrical, hollow bit having its working end open and of a wall thickness tapering from the working end, the wall having a through...
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4589807 |
Hole production tool
Apparatus for cutting a circular hole in a workpiece having relatively low compression strength, including a hollow cylindrical drill having, at its outer terminal end, an annular cutting edge of a...
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4351349 |
Pipe repair kit apparatus and method
Apparatus and methods facilitating isolation of a pipe segment for repair thereof include releasable reclosable means for gripping the pipe exterior, a first conduit extending through the...
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D262630 |
Drill bit
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4256421 |
Self-threading nut
This invention relates to a self-threading nut which is utilized to hold a replacement shock absorber within the cylinder housing of a vehicular suspension system commonly referred to as a...
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4201502 |
Method and apparatus for tap hole reaming
A pouring ladle is mounted on a carriage which is movable along a track by a motor drive coupled thereto through an overrunning clutch. Movement of the carriage along the track is interrupted at a...
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4177867 |
Self-drilling dowel with an inclined rolling head
A self-drilling dowel consists of a tubular-shaped member with a drilling head at one end. The drilling head is formed of a plurality of teeth each having a tip. The tip of the teeth are all...
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3954347 |
Drilling machine
An improved drilling machine for cutting holes for knobs and latches in metal-clad doors comprises a supporting framework for the door and a hollow drill arranged to be moved upward from the...
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3537338 |
COUNTERSINKING TOOL
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3512519 |
ANATOMICAL BIOPSY SAMPLER
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3130763 |
Drills for cutting wooden plugs with cross grain
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3066554 |
Apparatus for cutting holes in thin flexible webs
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3044341 |
Drilling, reaming and tapping screw
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2978002 |
Plug cutter
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2963058 |
Drill and drill head
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2820519 |
Double hole paper drilling device
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3714690 |
Title is not available
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3559514 |
Title is not available
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