Patents Assigned to UTM IP Limited
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Patent number: 9476681Abstract: A cartridge for use in a gun comprises a case, a gas generator, a piston, a stopper, and at least one channel for the passage of gas in and/or around the stopper wherein the piston is axially slideably contained in the case, the gas generator is located within the case adjacent a first end of the case, and the stopper is slideably contained within the piston for closing the at least one channel.Type: GrantFiled: February 27, 2013Date of Patent: October 25, 2016Assignee: UTM IP LIMITEDInventor: Michael Ernest Saxby
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Publication number: 20160145166Abstract: An explosive composition for use in telescopically expanding non-lethal training ammunition comprises tetrazene and paraffin wax. The explosive composition can be used as a primer and/or as a source of energetic material in a telescopically expanding non-lethal training cartridge; it can be used to propel a projectile from a telescopically expanding non-lethal training cartridge; and/or it can be used to expand telescopically a non-lethal training cartridge within a host gun.Type: ApplicationFiled: January 15, 2014Publication date: May 26, 2016Applicant: UTM IP LIMITEDInventors: Martin SKEATS, Michael Ernest SAXBY, Adam COLLINS, David Martin WILLIAMSON
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Patent number: 9261338Abstract: The invention provides a marker projectile a hollow body (4) having an opening at the front; a marker substance (3) disposed within the hollow body (4); and an expelling member (5) within the hollow body (4) behind the marking substance (3); the hollow body (4) and expelling member (5) being configured such that upon impact of the projectile with a target, the momentum of the expelling member (5) relative to the hollow body (4) carries the expelling member (5) forwardly to expel the marking substance (3) through the opening, a separator (1) extending at least partly over the front opening, the separator (1) defining two or more spaces through which the marker substance (3) may pass when expelled through the opening and characterized by a deformable closing member (2) positioned between the marking substance (3) and the separator (1), the closing member (2) configured to deform under the impact of the travelling expelling member (5) whereby to release the marking substance (3) from the hollow body (4).Type: GrantFiled: February 2, 2012Date of Patent: February 16, 2016Assignee: UTM IP LIMITEDInventor: Michael Ernest Saxby
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Publication number: 20140026778Abstract: The invention provides a marker projectile a hollow body (4) having an opening at the front; a marker substance (3) disposed within the hollow body (4); and an expelling member (5) within the hollow body (4) behind the marking substance (3); the hollow body (4) and expelling member (5) being configured such that upon impact of the projectile with a target, the momentum of the expelling member (5) relative to the hollow body (4) carries the expelling member (5) forwardly to expel the marking substance (3) through the opening, a separator (1) extending at least partly over the front opening, the separator (1) defining two or more spaces through which the marker substance (3) may pass when expelled through the opening and characterised by a deformable closing member (2) positioned between the marking substance (3) and the separator (1), the closing member (2) configured to deform under the impact of the travelling expelling member (5) whereby to release the marking substance (3) from the hollow body (4).Type: ApplicationFiled: February 2, 2012Publication date: January 30, 2014Applicant: UTM IP LIMITEDInventor: Michael Ernest Saxby
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Publication number: 20130255126Abstract: A telescopically expandable cartridge comprising an anterior portion 1 and posterior portion 2, the posterior portion 2 carries a first primer 3 which when initiated releases gases which propel a ball 4 along a channel 5 to impact upon a second primer 6 in the anterior portion 1. First primer 3 is configured for centre firing. The cartridge is located in the barrel of a weapon which has an off set firing pin 7. An adapter 8 is received in a recess in the posterior portion 2 to the rear of the first primer 3 and directly in front of the firing pin 7. The adapter 8 comprises a cylindrical body having an annular recess 9 provided around its outer circumference. An O-ring 10 is received in the annular recess 9. On an anterior surface of the adapter 8 proximal to the first primer 3 is provided a pointed protrusion 11 positioned centrally of the anterior surface.Type: ApplicationFiled: May 25, 2012Publication date: October 3, 2013Applicant: UTM IP LIMITEDInventor: Michael Ernest SAXBY
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Publication number: 20130047881Abstract: A cartridge for non-lethal applications comprises a posterior portion 1 which extends axially to provide a cylindrical casing. An anterior portion comprises of a nose portion 2 with a centrally located recess 8 for receiving a projectile, and an axially extending piston 3 which is slidably engaged in the chamber defined by the cylindrical casing 1. A posterior primer 4 is located to the end of the posterior portion which is most distal to the nose portion 2. An anterior primer 5 sits just behind the recess 8 of the nose portion 2. A plastic striker is located in the chamber defined by the cylindrical casing 1 and comprises of a sealing flange portion 6 and striking nose portion 7. The striking nose portion 7 locates snugly but slidably in a second chamber provided axially within the piston 3.Type: ApplicationFiled: August 24, 2011Publication date: February 28, 2013Applicant: UTM IP LIMITEDInventor: Michael Ernest SAXBY
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Patent number: 8365669Abstract: A cartridge for non-lethal applications comprises a posterior portion 1 which extends axially to provide a cylindrical casing. An anterior portion comprises of a nose portion 2 with a centrally located recess 8 for receiving a projectile, and an axially extending piston 3 which is slidably engaged in the chamber defined by the cylindrical casing 1. A posterior primer 4 is located to the end of the posterior portion which is most distal to the nose portion 2. An anterior primer 5 sits just behind the recess 8 of the nose portion 2. A plastic striker is located in the chamber defined by the cylindrical casing 1 and comprises of a sealing flange portion 6 and striking nose portion 7. The striking nose portion 7 locates snugly but slidably in a second chamber provided axially within the piston 3.Type: GrantFiled: August 24, 2011Date of Patent: February 5, 2013Assignee: UTM IP LimitedInventor: Michael Ernest Saxby
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Patent number: 7814836Abstract: A blank cartridge (1) comprises a cartridge casing (2) with a first primer (18); a piston (9) with a head (10) and an arm (11); and an expansion chamber located between said primer (18) and the head of the piston (10), wherein, following detonation of the primer, the piston slidably displaces substantially within the casing (2) of said cartridge (1).Type: GrantFiled: May 8, 2006Date of Patent: October 19, 2010Assignee: UTM IP LimitedInventor: Michael Ernest Saxby
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Publication number: 20090211482Abstract: A blank cartridge (1) comprises a cartridge casing (2) with a first primer (18); a piston (9) with a head (10) and an arm (11); and an expansion chamber located between said primer (18) and the head of the piston (10), wherein, following detonation of the primer, the piston slidably displaces substantially within the casing (2) of said cartridge (1).Type: ApplicationFiled: May 8, 2006Publication date: August 27, 2009Applicant: UTM IP LimitedInventor: Michael Ernest Saxby
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Publication number: 20080202009Abstract: A training cartridge (5) and gun barrel insert (1) assembly, wherein: a) the training cartridge (5) comprises a sleeve (17) shaped and configured to fit the breech of a gun and which holds a primer (21) and bullet (20) assembly; the assembly being located at the rear portion of the cartridge (5); a channel (22) extending forward from the bullet (20) and a recessed front channel portion (4) for receiving the sub-calibre barrel portion (3) of a corresponding gun barrel insert (1); and b) the corresponding gun barrel insert (1) comprises a sleeve (2) shaped and configured to fit at least in part into the barrel (10) of a gun; the sleeve (2) being located around a sub-calibre barrel (3); wherein the sub-calibre barrel (3) extends rearward beyond the sleeve (2) in order to project into the recessed front channel portion (4) of the corresponding training cartridge (5) .Type: ApplicationFiled: May 8, 2006Publication date: August 28, 2008Applicant: UTM IP LimitedInventor: Michael Ernest Saxby
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Patent number: 7331293Abstract: The invention provides a marker projectile comprising a hollow body (1) having an opening (5) at the front; marker substance (8) disposed within the hollow body (1); and an expelling member (7) such as a metal ball within the hollow body (1), behind the marking substance (8). The hollow body (1) and expelling member (7) being configured such that upon impact of the projectile with a target, the momentum of the expelling member (7) relative to the hollow body (1) carries the expelling member (7) forwardly to expel the marking substance (8) through the opening (5), and characterised by a separator (4) extending at least partly over the front opening (5), the separator (4) defining two or more spaces (42a, 42b, 42c) through which the maker substance may pass when expelled through the opening (5).Type: GrantFiled: May 30, 2003Date of Patent: February 19, 2008Assignee: UTM IP LimitedInventor: Michael Ernest Saxby
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Patent number: 7302890Abstract: The invention provides a training cartridge having a peripheral fire primer and a gun modified to fire the cartridge. The combination of modified gun and peripheral fire cartridge avoids the potentially adverse consequences that could arise if live ammunition and training ammunition were to become inadvertently confused or mixed up by preventing the firing of live center fire ammunition.Type: GrantFiled: July 30, 2004Date of Patent: December 4, 2007Assignee: UTM IP LimitedInventor: Michael Ernest Saxby
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Publication number: 20070272111Abstract: A low energy cartridge comprising: an outer casing 4; a rear telecospically slidable portion 1 disposed, in use, to be telescopically extendable with respect to the outer casing 4 in a direction towards the breech-block of a firearm; a front telescopically slidable portion 6 disposed, in use, to be telescopically extendable with respect to the outer casing 4 in a direction towards the barrel X of a firearm; means 2, 3 for causing each telescopically slidable portion 1, 6 to telescopically extend in reaction to firing of a firearm containing the cartridge; an open end 13 of the front portion 6 configured to receive a projectile 7 and means for propelling a projectile 7 from the open end 13.Type: ApplicationFiled: November 26, 2004Publication date: November 29, 2007Applicant: UTM IP LIMITEDInventor: Michael Saxby
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Publication number: 20050103221Abstract: The invention provides a training cartridge having a peripheral fire primer and a gun modified to fire the cartridge. The combination of modified gun and peripheral fire cartridge avoids the potentially adverse consequences that could arise if live ammunition and training ammunition were to become inadvertently confused or mixed up by preventing the firing of live center fire ammunition.Type: ApplicationFiled: July 30, 2004Publication date: May 19, 2005Applicant: UTM IP LIMITEDInventor: Michael Saxby