Patents for B23D 21 - Machines or devices for shearing or cutting tubes (3,019)
08/1985
08/06/1985CA1191367A1 Explosive charge - containing nut
07/1985
07/30/1985US4531288 Pipe-cutter with cutter wheels and yokes
07/16/1985US4528910 Apparatus for cutting a submerged tube by means of a pyrotechnic charge
06/1985
06/25/1985US4524511 Adjustable interior pipe cutter
06/19/1985EP0145185A2 Precision internal tube cutter
05/1985
05/21/1985US4517867 Method and apparatus for cutting a cast iron pipe
04/1985
04/16/1985US4511826 Control apparatus for metal saw cutter
04/16/1985US4510830 Apparatus for cutting through or trimming a pipe or can in a plane transverse to its longitudinal axis
03/1985
03/19/1985CA1184039A2 Methods, apparatus and pyrotechnic compositions for severing conduits
03/06/1985EP0133765A2 Making rings from tube or bar stock
02/1985
02/19/1985US4499803 Double cut die set with improved pull-across notching feature
02/12/1985CA1182284A1 Manual pipe cutter
01/1985
01/23/1985EP0131916A2 Tool for making a pluggable connection between a trunking of synthetic material and a box of synthetic material for electrical junction means
01/15/1985US4493150 Pipe cutter with split ring frame and enclosed feeding means
01/08/1985US4492136 Cutting assembly system for pipe casings and the like
01/01/1985US4490909 Travelling pipe cutter
12/1984
12/11/1984CA1179281A1 Pipework
12/11/1984CA1179249A1 Shearing apparatus to cut notches at the end of pipes and the like
11/1984
11/27/1984CA1178426A1 Tubecutter
11/21/1984EP0125416A2 Method of making a cylindrical clamping wedge, and die for making the cylindrical clamping wedge
10/1984
10/31/1984EP0123076A1 Device for severing a tube of a tube bundle terminating in a tube sheet
10/10/1984EP0121131A1 Manual pipe cutter
09/1984
09/18/1984USRE31674 Floor or bench mounted conduit cutting device
09/11/1984US4470330 Tooling assembly for an impact press
08/1984
08/28/1984US4467682 Rotary tubing cutter
08/28/1984US4467508 Machine for cutting of armored or reinforced hoses
08/21/1984US4466185 Adjustable interior pipe cutter
08/15/1984EP0115759A1 Method and apparatus to remove the cut-off end from a tubular workpiece, e.g. a cast-iron pipe
07/1984
07/31/1984US4462529 Linear accelerator system for axially advancing an elongate workpiece
07/18/1984EP0113419A1 Method and apparatus for cutting up a tubular work-piece of large diameter, especially with an oval section, such as cast iron pipes
07/17/1984US4459886 Shearing apparatus to cut notches at the end of pipes and the like
07/03/1984US4457204 Explosive charge-containing nut
07/03/1984US4457200 Method for cutting heavy wall tube
06/1984
06/26/1984US4455746 Tube cutter
06/26/1984US4455726 Chamfering apparatus for end faces of tubular members
05/1984
05/15/1984CA1167370A1 Methods, apparatus and pyrotechnic compositions for severing conduits
05/08/1984US4446620 Tube cutter, especially for plastic tubes
04/1984
04/24/1984US4443943 Pipe cutter
04/11/1984EP0105228A1 Apparatus for cutting up a tubular work piece consisting of rigid materials, in particular with an oval section, such as cast iron pipes
03/1984
03/28/1984EP0103649A1 Device for cutting or chamfering round profiles or the like
03/27/1984US4438672 Pipe shearing device
03/27/1984US4438670 High speed welder with magnetic alignment of welding slug after cutting
03/27/1984US4438562 Manual pipe cutter
03/20/1984US4437374 For severing an elongate workpiece
03/14/1984EP0102864A2 Tube cutter with circular cutters and arches
03/14/1984EP0102488A1 Device for removing the protuberant edges of electrical installation boxes or pipe ends
03/06/1984US4434815 Cutting apparatus for insertion into a branch pipe
03/01/1984EP0032148A4 Device for cutting pipes.
02/1984
02/21/1984CA1162390A1 Pipe clamp and cut off device
02/14/1984US4430913 Cut-off and face machine
01/1984
01/31/1984US4428118 Pipe parting apparatus
01/17/1984CA1160557A1 Tube cutting apparatus
01/10/1984US4425062 Cutting and chamfering apparatus for opposing ends of tubular material
01/10/1984US4424629 Apparatus for cutting tubes and the like
01/03/1984US4424086 Pyrotechnic compositions for severing conduits
12/1983
12/27/1983US4422238 Shock absorber shroud cutting tool
12/06/1983US4418591 Pipe end preparation and cutoff tool
11/1983
11/30/1983EP0095198A2 An apparatus for cutting through or trimming a pipe or can in a plane transverse to its longitudinal axis
11/22/1983US4416062 Self centering pipe cutting device
10/1983
10/25/1983US4411179 Apparatus for cutting tubing into predetermined lengths
10/11/1983US4408508 Cutting tool having circular blade mounted on a pivoted lever
09/1983
09/06/1983US4402136 Device for cutting pipes
08/1983
08/16/1983CA1151814A1 Thread cutting machine for pipes
08/10/1983EP0085284A1 Machine for cutting of armoured or reinforced hoses
08/09/1983US4397202 Universal pipe lathe
07/1983
07/12/1983US4392644 Tube cutting apparatus
06/1983
06/28/1983US4389765 Piling removal
06/07/1983US4386440 Pipe cutter for use on a pipe thread cutting machine
06/01/1983EP0080005A2 Linear accelerator system for axially advancing an elongate workpiece
05/1983
05/31/1983US4385514 Pipe assembly tool
05/24/1983US4384405 Cylinder cutting tool
05/10/1983CA1146065A1 Methods and apparatus for severing conduits
04/1983
04/12/1983CA1144472A1 Machine for trimming the edges of metal containers
04/05/1983CA1144061A1 Cam operated cutoff machine
03/1983
03/03/1983WO1983000648A1 Pipe end preparation and cutoff tool
02/1983
02/01/1983US4370995 Method and apparatus for prenotching a pipeline
02/01/1983CA1140454A1 Wellhead shearing apparatus
01/1983
01/25/1983US4369573 Pipe cutter
12/1982
12/21/1982US4364292 Floor or bench mounted conduit cutting device
11/1982
11/30/1982US4361064 Pipe shearing device
11/30/1982CA1136544A1 Blowout preventer shearing and sealing rams
11/23/1982US4359820 Pipe casing cutter
11/16/1982US4358977 Cutoff press
11/03/1982EP0063919A1 Improvements in or relating to pipework
10/1982
10/06/1982EP0015280B1 Method and device for cutting off elongated hollow elements
10/05/1982US4352397 Methods, apparatus and pyrotechnic compositions for severing conduits
09/1982
09/21/1982US4349928 Multi-purpose plumbing tool
09/07/1982US4347770 Apparatus and method for radially cutting cylindrical material
09/07/1982US4347664 Soil pipe cutter
09/07/1982CA1131125A1 Pipe shearing mechanism
09/02/1982WO1982002846A1 Cutting device
08/1982
08/24/1982US4345376 Cutter for thick wall plastic pipe
07/1982
07/27/1982US4341264 Wellhead shearing apparatus
07/13/1982CA1127526A1 Tubing notcher
07/06/1982US4337680 Die jaw members for tube cutoff apparatus
02/1982
02/16/1982US4315449 Cam operated cutoff machine
02/02/1982US4313496 Wellhead shearing apparatus
01/1982
01/26/1982US4312127 Cutting tool
12/1981
12/15/1981US4305205 Open ended tubing cutters
12/01/1981US4302958 Making rings from tube stock
1 ... 19 20 21 22 23 24 25 26 27 28 29 30 31