Patents Assigned to SEFMAT
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Patent number: 9482430Abstract: A heat-shrink gun in which an ignition voltage of the gaseous mixture is generated by a piezoelectric lighter (12), under the action of a trigger (8) when it is moved from a waiting position (8A) to a lighting position, characterized in that the trigger can also assume a loading position (8B), in which it free access (DC) to a working housing for the lighter.Type: GrantFiled: March 21, 2012Date of Patent: November 1, 2016Assignee: SEFMATInventor: François Clement
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Patent number: 8678816Abstract: The invention relates to a hot air internal ignition burner/generator comprising an injection device used for producing a high-speed fuel gas mixture stream and for injecting said stream into the burner head (2) which is tabular-shaped and comprises in-series arranged therein a pressure recovery chamber (10), an igniting chamber (11) and simple or multiple diffusion means (24) which are fixed inside the head (2), where two chambers are jointed, wherein said diffusion means (24) comprise a central orifice provided with an igniting tube which penetrates therein and axially extends inside the pressure recovery chamber (10) in such a way that it defines the ignition chamber (43) provided with igniting electrodes (42) connected to the pressure recovery chamber (10) of the burner (2) via a calibrated orifice (46).Type: GrantFiled: October 28, 2005Date of Patent: March 25, 2014Assignee: SEFMATInventor: Jean-Claude Sarrazy
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Patent number: 8529248Abstract: The invention relates to an apparatus comprising an injection device (1) for producing a flow of a high-speed combustible gas mixture, and a burner head (2) in which said flow is injected through a tabular extender (70) connecting said injection device (1) to said head (2). The extender has a maximal length higher than 600 mm and includes at the gravity center of the device assembly, means for suspension to a portion of the operator's body.Type: GrantFiled: October 30, 2007Date of Patent: September 10, 2013Assignee: SefmatInventor: Francois Clement
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Publication number: 20120288808Abstract: A heat-shrink gun in which an ignition voltage of the gaseous mixture is generated by a piezoelectric lighter (12), under the action of a trigger (8) when it is moved from a waiting position (8A) to a lighting position, characterized in that the trigger can also assume a loading position (8B), in which it free access (DC) to a working housing for the lighter.Type: ApplicationFiled: March 21, 2012Publication date: November 15, 2012Applicant: SEFMATInventor: François CLEMENT
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Publication number: 20120288809Abstract: A hot air generating device of the type including an injection device (2) capable of producing a flow of a combustible gas mixture at a high speed and a burner head (3) in which the flow is ignited via a spark plug (6) positioned near the burner (3) and electrically connected to a lighter (12), preferably a piezoelectric lighter, including an autotransformer mounted in parallel between the lighter and the spark plug. Such a device is particularly advantageous to facilitate the lighting of the mixture, in particular when the device is provided with a riser between the lighter and the spark plug.Type: ApplicationFiled: March 21, 2012Publication date: November 15, 2012Applicant: SEFMATInventor: Francois CLEMENT
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Publication number: 20100075266Abstract: The invention relates to an apparatus comprising an injection device (1) for producing a flow of a high-speed combustible gas mixture, and a burner head (2) in which said flow is injected through a tabular extender (70) connecting said injection device (1) to said head (2). The extender has a maximal length higher than 600 mm and includes at the gravity centre of the device assembly, means for suspension to a portion of the operator's body.Type: ApplicationFiled: October 30, 2007Publication date: March 25, 2010Applicant: SEFMATInventor: Francois Clement
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Publication number: 20080241781Abstract: The invention relates to a hot air internal ignition burner/generator comprising an injection device used for producing a high-speed fuel gas mixture stream and for injecting said stream into the burner head (2) which is tabular-shaped and comprises in-series arranged therein a pressure recovery chamber (10), an igniting chamber (11) and simple or multiple diffusion means (24) which are fixed inside the head (2), where two chambers are jointed, wherein said diffusion means (24) comprise a central orifice provided with an igniting tube which penetrates therein and axially extends inside the pressure recovery chamber (10) in such a way that it defines the ignition chamber (43) provided with igniting electrodes (42) connected to the pressure recovery chamber (10) of the burner (2) via a calibrated orifice (46).Type: ApplicationFiled: October 28, 2005Publication date: October 2, 2008Applicant: SEFMAT RUE DE BETNOMSInventor: Jean-Claude Sarrazi
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Patent number: D809237Type: GrantFiled: October 25, 2016Date of Patent: January 30, 2018Assignee: SEFMATInventor: Francois Clement
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Patent number: D856769Type: GrantFiled: February 28, 2012Date of Patent: August 20, 2019Assignee: SEFMATInventor: Guy Boivin
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Patent number: D972384Type: GrantFiled: March 25, 2021Date of Patent: December 13, 2022Assignee: SEFMATInventor: François Clement
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Patent number: D972385Type: GrantFiled: March 25, 2021Date of Patent: December 13, 2022Assignee: SEFMATInventor: François Clement