Patents for B23D 21 - Machines or devices for shearing or cutting tubes (3,019)
06/1994
06/15/1994CN2168671Y Electric drill pushing-rod pipe cutter
05/1994
05/31/1994US5315759 Power-driven pipe cutting device
05/17/1994US5311802 Tube cut off machine
05/17/1994CA2036674C Pipe bursting and replacement apparatus and method
05/05/1994DE4235525A1 Cutting device esp. for thin walled pipes - has circular blades mounted on free ends of blade arms which are forced against tube wall by drive on adjusting bush through rotor base
04/1994
04/27/1994CN1085836A Pipe cutting machine
04/26/1994US5306101 Cutting/expanding tool
04/26/1994US5305625 Adjustable cutoff apparatus
04/19/1994CA2028624C Apparatus and method for the in-line cropping and/or chamfering of a plastic tube
04/14/1994WO1994007661A1 Hose-cutting device
04/12/1994US5301584 Zero clearance high speed welded seam tube cut-off die
04/12/1994US5301427 Handheld pipe rule and cutter
04/07/1994DE4233023A1 Schlauchschneidevorrichtung Hose cutter
03/1994
03/30/1994EP0589824A1 Pipe cutting machine
03/23/1994CN2159275Y Electric pipe grooving machine
03/22/1994CA2013861C Single cut die set
03/17/1994DE4230543A1 Disk shears for spiral cutting of wire bar with chamfered corners from tube - have flanges on shearing side of cutters with cutting angle less than 90 deg. to produce chamfer on opposite corners of bar
03/16/1994EP0587271A1 Continuous cutter for severing pieces of equal length from a coiled elongate article
03/16/1994CN1083747A Continuous cutter for severing pieces of egual length from a coiled elongate artide
03/03/1994DE4238961C1 Pilger tube-rolling system - incorporates on-line length cutter with incremental feed and/or twisting motion
02/1994
02/23/1994EP0583461A1 Apparatus for cutting helically wound metal tubing.
02/15/1994US5285576 Tool for grooving or cutting pipes
02/04/1994CA2075073A1 Automatic pipe cutter
01/1994
01/26/1994CN2154144Y Circle tube cutting machine
12/1993
12/23/1993DE4219796A1 Machine dividing tubular workpiece across its long axis - has longitudinally extending, reciprocating first tool holder with slot for passing and guiding dividing blade
12/07/1993US5267497 Dual action punch for use in a reciprocating operation capable of scarfing and piercing material
12/07/1993US5267381 For inspecting a face of a tube
11/1993
11/25/1993DE4217182A1 Rotary tool head for dividing tubes with different dia. - incorporates disc cutters mounted on pivotal arms to engage tube
11/18/1993DE4215646A1 Cross cutting machine for continuously moving soft e.g. clay tubing - has four pneumatically operated radial cutter blades which move together with emerging tubing and cut through quadrants at length required
11/16/1993US5261303 Rod cutter
11/16/1993US5261301 Pipe cutting machine
11/11/1993DE4214478A1 Radial length cutter for steel tubes etc. - has cord applicable to and tensionable on work, from which protrude several cutters directed towards work
11/10/1993CN1078180A Apparatus for cutting helically wound metal tubing
11/09/1993CA1324073C Notching blade assembly
11/02/1993US5257521 Apparatus and method for cutting spiral pipe
10/1993
10/21/1993DE4311236A1 Automatic thin metal tube cutter - uses optical sensor and limit switches for adjustment of length of cut, and removal of section when cut is completed
10/14/1993WO1993019867A1 Flying die machine
10/07/1993DE4210895A1 Cutting head for cutting pipes from inside - consists of revolving nozzle supplied with mixture of water and abrasive material and clamp to fix it to inside of pipe
10/06/1993EP0528801A4 Pipe bursting and replacement apparatus and method
09/1993
09/28/1993CA1322493C Apparatus for forming and cutting spiral pipe
09/16/1993WO1993017803A1 Apparatus for cutting helically wound metal tubing
09/14/1993US5243889 Tube cut off machine
09/14/1993US5243760 Adjustable gear driven tube cutter
09/01/1993CN2141340Y Double-driving crawling type tube cutting machine
08/1993
08/24/1993US5238337 Method of machining round material or the like by the whirling process
08/24/1993US5237899 Blade for cutting cylindrical structures
08/10/1993US5233853 Stretch straightening hairpin bender
08/03/1993US5231908 Apparatus for mounting a shearing blade
07/1993
07/27/1993US5230150 Tubing cutter applying continuous cutting force to tubing
07/22/1993WO1993013901A1 An implement for cutting thin-walled pipes of sheet metal, including a rotary cutter head
07/21/1993CN2138536Y Fast clamp new pipe cutter
07/21/1993CN2138535Y Hand Chain pipe cutter
07/06/1993US5224368 Flying die machine
06/1993
06/08/1993US5217724 Apparatus for the in-line cropping and/or chamfering of a plastic tube
05/1993
05/26/1993EP0543216A1 Tube cutter
05/19/1993EP0542649A1 Process for cutting a flexible tube of helically coiled metal strip with interlocking seams
05/18/1993US5210949 Hose trimming apparatus
05/04/1993US5206996 Tubing cutters
04/1993
04/27/1993US5205195 Oil filter recycler apparatus
04/21/1993EP0538206A1 A remotely controlled apparatus for the sealing and cutting of internally contaminated pipes
04/21/1993EP0454682B1 Tool for grooving or cutting pipes
04/20/1993US5203083 For cutting a tubular member
04/13/1993US5202543 Manufacturing process of a fuel delivery rail assembly
03/1993
03/30/1993US5197173 Method for reclaiming internal pipe mineral buildup
03/24/1993CN2128573Y Cutter for pipe
03/16/1993US5193374 Apparatus for cutting spiral pipe
03/03/1993EP0528801A1 Pipe bursting and replacement apparatus and method
02/1993
02/18/1993WO1993002825A1 Pipe cutter
02/18/1993CA2114714A1 Pipe cutter
02/03/1993EP0525406A1 Tube cutting apparatus
01/1993
01/14/1993DE4121609A1 Disassembly equipment for combustible cartridge cases - having blade to separate casing cover from casing and held in displaceable guide
12/1992
12/30/1992CN2126125U Tube-severing machine for cutting metal tube and cement tube
12/15/1992US5171106 Cutting/expanding tool
12/15/1992US5170684 Core cutter device
12/02/1992EP0515832A1 Machine to cut off pieces of a tube
11/1992
11/25/1992CN2122702U Main spindle box of tube-cutting machine
11/25/1992CN2122701U Tube-cutting machine
11/19/1992EP0513524A2 Tube cutting-off device
11/10/1992US5161444 Traveling pipe cutter
11/05/1992DE4212475A1 Tool for producing slots in expanded end of exhaust silencer tube
10/1992
10/21/1992CN2119287U Electric pipe cutter
09/1992
09/30/1992CN2117226U Manual rotory pipe cutter
09/03/1992WO1992014585A1 Master tool
09/03/1992WO1992014564A1 Apparatus for cutting spiral pipe
09/02/1992CN2114527U Rolling cutter
08/1992
08/26/1992EP0499915A1 Apparatus for cutting spiral pipe
08/18/1992CA1306453C Method for severing the ends of tubing
07/1992
07/28/1992US5133234 Oil filter cutting device
07/22/1992EP0494986A1 Clamping apparatus for cut-off die set
07/22/1992EP0494964A1 Apparatus for mounting a notching blade
07/09/1992WO1992011111A1 Method and device for cutting tubes, where tubes are moved into the cutting position by a rotatable clamping plate
07/08/1992EP0493645A1 Cutting/expanding tool
07/08/1992CN2109276U Double-chain selfmoving electric pipe cutting machine
06/1992
06/30/1992US5125306 Eccentric overload assembly with a decaying force
06/23/1992US5123829 Rod guide remover
06/17/1992EP0490328A1 Method for machining round material or the like using a tool having an internal cutting edge
06/11/1992WO1992009778A1 A method and an apparatus for manufacturing closed spacer frames of hollow thin-walled profiles
06/11/1992DE4130243A1 Tube-notching machine - has eccentric drive working in horizontal direction
06/03/1992CN2106023U Manually-operated thread-cutting pipe device
06/03/1992CN1016856B Universal tools with impact and adjustable function for plumbers
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