Patents by Inventor Fabrice Prevot
Fabrice Prevot has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11674625Abstract: The clamping collar comprises a metal belt carrying a protruding lug in the vicinity of a first end and a hook in the vicinity of a second end. The hook has a front wall and a common part. The wall is intended to be retained behind the lug while the hook is hooked on the lug to keep the collar in the clamped state. The common part links the front wall to the belt and has a gripping surface protruding radially outwardly and two lateral borders which extend axially on either side of the gripping surface by being radially set back from the gripping surface.Type: GrantFiled: September 17, 2020Date of Patent: June 13, 2023Inventors: Nicolas Rigollet, Fabrice Prevot
-
Patent number: 11619330Abstract: A clamping system for connecting a first and a second tube whose opposite ends have clamping surfaces protruding from the cylindrical outer surface of said tubes. The system comprises a collar which comprises a belt able to be clamped around said clamping surfaces, the belt having a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries at least one retaining finger which has a free end portion protruding axially beyond the edge of the first flank, said free end portion having a retaining edge configured to be retained outside the belt by a radially protruding element.Type: GrantFiled: July 3, 2020Date of Patent: April 4, 2023Inventors: Stéphane Drivon, Fabrice Prevot
-
Patent number: 11543059Abstract: A clamping system for connecting a first and a second tube whose opposite ends have clamping surfaces protruding from the cylindrical outer surface of the tubes. The system includes a collar having a belt able to be clamped around the clamping surfaces. The belt includes a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries an external retaining device having a retaining bar, which protrudes axially from the first flank while being oriented transversely to the axis of the collar and which has a transverse retaining ridge, the bar being able, from a rest situation in which the retaining ridge projects towards the axis of the collar relative to the edge of the first flank in the unclamped situation of the collar, to be elastically deformed to space the retaining ridge away from the axis of the collar.Type: GrantFiled: July 9, 2020Date of Patent: January 3, 2023Inventors: Stéphane Drivon, Fabrice Prevot
-
Patent number: 11499657Abstract: A clamping system for connecting a first tube and a second tube, the clamping system including a collar which includes a belt able to be clamped around clamping surfaces of the first and second tubes, the belt has a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries at least one retaining loop disposed outside the belt. The loop has a first end fastened to the collar and a second end which is free and which is located on the outer side of the first flank. The loop is able to adopt a position of active retaining configuration in which its second end protrudes towards the axis of the collar relative to the edge of the first flank, and to be deformed relative to this active configuration so that the second end is moved radially outwardly.Type: GrantFiled: July 9, 2020Date of Patent: November 15, 2022Inventors: Stéphane Drivon, Fabrice Prevot
-
Patent number: 11499656Abstract: A clamping system to connect a first and a second tube whose facing ends have protruding clamping surfaces is provided. The system comprises a collar comprising a belt able to be clamped around the clamping surfaces. The belt has a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries an outer retaining clip comprising a retaining segment located on the side of the first flank and a first and a second link return linking respectively the retaining segment to a first and a second retaining member located on the side of the second flank. The collar is retained axially between the retaining segment and the first and second retaining members. The retaining segment is able to be elastically deformed to allow the insertion of the end of the tube and to retain it pre-mounted in the collar.Type: GrantFiled: May 5, 2021Date of Patent: November 15, 2022Inventor: Fabrice Prevot
-
Patent number: 11415250Abstract: The device includes a sealing sleeve suitable for being disposed around the facing ends of two tubes and a clamping sleeve inside which the sealing sleeve extends. One of the elements constituted by the sealing sleeve and by the clamping sleeve has at least one retaining member suitable for co-operating in axial retention inside the clamping sleeve with a retaining surface of one of the tubes, which retaining surface is covered by the clamping sleeve.Type: GrantFiled: February 6, 2018Date of Patent: August 16, 2022Assignee: CaillauInventors: Nicolas Rigollet, Fabrice Prevot
-
Publication number: 20210356060Abstract: A clamping system to connect a first and a second tube whose facing ends have protruding clamping surfaces is provided. The system comprises a collar comprising a belt able to be clamped around the clamping surfaces. The belt has a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries an outer retaining clip comprising a retaining segment located on the side of the first flank and a first and a second link return linking respectively the retaining segment to a first and a second retaining member located on the side of the second flank. The collar is retained axially between the retaining segment and the first and second retaining members. The retaining segment is able to be elastically deformed to allow the insertion of the end of the tube and to retain it pre-mounted in the collar.Type: ApplicationFiled: May 5, 2021Publication date: November 18, 2021Inventor: Fabrice PREVOT
-
Publication number: 20210088162Abstract: The clamping collar comprises a metal belt carrying a protruding lug in the vicinity of a first end and a hook in the vicinity of a second end. The hook has a front wall and a common part. The wall is intended to be retained behind the lug while the hook is hooked on the lug to keep the collar in the clamped state. The common part links the front wall to the belt and has a gripping surface protruding radially outwardly and two lateral borders which extend axially on either side of the gripping surface by being radially set back from the gripping surface.Type: ApplicationFiled: September 17, 2020Publication date: March 25, 2021Inventors: Nicolas RIGOLLET, Fabrice PREVOT
-
Publication number: 20210088160Abstract: The clamping collar comprises a metal belt configured to be clamped on an object, the belt having an inner recess comprising a bottom delimited by cheeks oriented towards the axis of the belt, the collar having a capacity reserve, formed by a portion of the belt likely to elongate under the effect of a clamping tension of the belt, the capacity reserve being delimited, along the circumferential direction of the belt, by linking portions in which the cheeks are interrupted and having cheek portions oriented towards the axis of the belt.Type: ApplicationFiled: September 22, 2020Publication date: March 25, 2021Inventors: Nicolas RIGOLLET, Fabrice PREVOT
-
Publication number: 20210018123Abstract: A clamping system for connecting a first and a second tube whose opposite ends have clamping surfaces protruding from the cylindrical outer surface of said tubes. The system comprises a collar comprising a belt able to be clamped around said clamping surfaces. The belt comprises a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries an external retaining device having a retaining bar, which protrudes axially from the first flank while being oriented transversely to the axis of the collar and which has a transverse retaining ridge, said bar being able, from a rest situation in which the retaining ridge projects towards the axis of the collar relative to the edge of the first flank in the unclamped situation of the collar, to be elastically deformed to space the retaining ridge away from the axis of the collar.Type: ApplicationFiled: July 9, 2020Publication date: January 21, 2021Inventors: Stéphane DRIVON, Fabrice PREVOT
-
Publication number: 20210018121Abstract: A clamping system for connecting a first and a second tube whose opposite ends have clamping surfaces protruding from the cylindrical outer surface of said tubes. The system comprises a collar which comprises a belt able to be clamped around said clamping surfaces, the belt having a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries at least one retaining finger which has a free end portion protruding axially beyond the edge of the first flank, said free end portion having a retaining edge configured to be retained outside the belt by a radially protruding element.Type: ApplicationFiled: July 3, 2020Publication date: January 21, 2021Inventors: Stéphane DRIVON, Fabrice PREVOT
-
Publication number: 20210018124Abstract: A clamping system for connecting a first tube and a second tube, the clamping system including a collar which includes a belt able to be clamped around clamping surfaces of the first and second tubes, the belt has a first and a second flank between which an internal recess able to receive the clamping surfaces is delimited. The collar carries at least one retaining loop disposed outside the belt. The loop has a first end fastened to the collar and a second end which is free and which is located on the outer side of the first flank. The loop is able to adopt a position of active retaining configuration in which its second end protrudes towards the axis of the collar relative to the edge of the first flank, and to be deformed relative to this active configuration so that the second end is moved radially outwardly.Type: ApplicationFiled: July 9, 2020Publication date: January 21, 2021Inventors: Stéphane DRIVON, Fabrice PREVOT
-
Patent number: 10612705Abstract: The device comprises a clamping collar (10) having a belt (12) suitable for being tightened around an article, and an outer sleeve (16) disposed around the belt, the sleeve being carried by the belt by means of a plurality of fastener tabs (18). Each fastener tab (18) is fastened to the sleeve (16) by a fastening zone (18A) and extends towards the axis (A) of the collar from said fastening zone until it reaches a pinch branch (18B) that is folded back under the belt in a configuration for being pinched between the inside surface of the belt and the article around which the belt is to be tightened.Type: GrantFiled: April 10, 2017Date of Patent: April 7, 2020Assignee: Etablissements CaillauInventors: Fabrice Prevot, Nicolas Rigollet
-
Patent number: 10563799Abstract: The system comprises a clamping collar having a clamping band suitable for being tightened around the abutting ends of the two tubes. The collar has a retaining tab that presents a fastener portion whereby said retaining tab is fastened to the band of the collar and that extends substantially axially towards an attachment portion of said retaining tab whereby said retaining tab is suitable for being attached to the first tube in the vicinity of its first end.Type: GrantFiled: September 3, 2015Date of Patent: February 18, 2020Assignee: Etablissements CaillauInventors: Fabrice Prevot, Nicolas Rigollet, Stéphane Drivon
-
Publication number: 20200011458Abstract: The device includes a sealing sleeve suitable for being disposed around the facing ends of two tubes and a clamping sleeve inside which the sealing sleeve extends. One of the elements constituted by the sealing sleeve and by the clamping sleeve has at least one retaining member suitable for co-operating in axial retention inside the clamping sleeve with a retaining surface of one of the tubes, which retaining surface is covered by the clamping sleeve.Type: ApplicationFiled: February 6, 2018Publication date: January 9, 2020Applicant: CAILLAUInventors: Nicolas Rigollet, Fabrice Prevot
-
Patent number: 10399754Abstract: The collar has a looped metal strap (10) and a transverse buckle (12) retained at the first end of the strap and forming, on the outer side of the first end, a passage (13) through which the second end (10B) of the strap can be inserted over the first end, the second end of the strap as inserted in this way being suitable for being indented so as to co-operate with at least one of the elements including the transverse buckle (12) and the first end (10A) of the strap, in order to be retained so that it is prevented from moving in the direction in which the diameter of the collar increases. The buckle (12) carries at least one radially projecting outer tab (20, 22), the tab having the shape of a hook having a stem carrying a head under which a recess is formed.Type: GrantFiled: June 22, 2015Date of Patent: September 3, 2019Assignee: Etablissements CaillauInventors: Fabrice Prevot, Nicolas Rigollet, Julien Beauvais, Quentin Esperet
-
Patent number: 10323666Abstract: The clamping collar has a belt (10) looped back onto itself and having two ends provided with lugs (12, 14) that are upstanding and that are suitable for being brought closer together for tightening the collar. The collar has a spacer (22) having a land (24) extending between the ends (10A, 10B) of the belt (10), and a web (26) having at least a first tab that is upstanding relative to said land, which web extends between the lugs. The spacer is formed by a strip that is folded between a first fold at the junction between the first tab and the land (24) and a second fold situated at a first end of the land, the land having a first double- walled portion between the first and second folds.Type: GrantFiled: September 30, 2016Date of Patent: June 18, 2019Assignee: Etablissements CaillauInventors: Stéphane Drivon, Fabrice Prevot
-
Patent number: 10228084Abstract: The clamping system comprises a collar (10) having a band (12) that has two flanks (13A, 13B), between which an inside trough (14) is defined that receives projecting clamping surfaces (1A, 2A) of two tubes (1, 2) to be assembled together. The system further comprises a plurality of individual retaining clips (20) distributed angularly around the first flank (13A), each clip having an inside branch (30) and an outside branch (32) facing each other, and between which the first flank is pinched, and a retaining portion (34) that, in the pre-attached state, is suitable for co-operating with the clamping surface (1A) of the first tube (1), one of the branches carrying a first bearing zone (36) that co-operates with a first bearing surface (13?A) of the collar that faces towards the axis (A) of said collar.Type: GrantFiled: March 3, 2017Date of Patent: March 12, 2019Assignee: Etablissements CaillauInventors: Cyril Vosgeois, Fabrice Prevot, Nicolas Rigollet, Patrick Goulet
-
Patent number: 10065776Abstract: A clamping collar comprising a looped metal strap (10), and a transverse buckle (12) retained at the first end of the strap. On the outer side, the buckle forms a passage (13) through which the second end of the strap (10B) is inserted. The buckle has an inner portion (14) that is disposed against the inner face of the first end of the strap and that has a blocking transverse edge (14A) that co-operates with a blocking transverse stop (16A) of the first end of the strap that defines a blocking setback (16). The second end (10B) of the strap has a retaining transverse stop (11) received in the blocking setback (16) and co-operating in abutment with a retaining edge (17A) of said blocking setback to retain the second end of the strap to prevent it from moving in the direction in which the diameter of the collar increases.Type: GrantFiled: June 22, 2015Date of Patent: September 4, 2018Assignee: Etablissements CaillauInventors: Fabrice Prevot, Nicolas Rigollet, Arnaud Jacquelin
-
Publication number: 20170362004Abstract: The collar comprises a looped metal strap (10) and a transverse buckle (12) retained at the first end of the strap and forming, on the outer side of said first end, a passage (13) through which the second end (10B) of the strap can be inserted over the first end, the second end of the strap as inserted in this way being suitable for being indented so as to co-operate with at least one of the elements comprising the transverse buckle (12) and the first end (10A) of the strap, in order to be retained so that it is prevented from moving in the direction in which the diameter of the collar increases. The buckle (12) carries at least one radially projecting outer tab (20, 22), the tab having the shape of a hook having a stem carrying a head under which a recess is formed.Type: ApplicationFiled: June 22, 2015Publication date: December 21, 2017Inventors: Fabrice PREVOT, Nicolas RIGOLLET, Julien BEAUVAIS, Quentin ESPERET