Patents Assigned to Gestamp Hardtech AB
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Patent number: 10000170Abstract: A bumper beam is comprised of a hat-shaped profile (11) with a cover (12). The cover faces outward from the vehicle and has vertical depressions (21) at the locations of the fastening portions (18, 19) of the bumper beam, as well as horizontal depressions between said fastening portions. The sides (14, 15) of the hat-shaped profile have depressions directed in the longitudinal direction of the vehicle.Type: GrantFiled: March 5, 2014Date of Patent: June 19, 2018Assignee: Gestamp Hardtech ABInventor: Johan Nilsson
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Patent number: 9988005Abstract: A bumper beam is roll formed so that it gets a closed cross section with, along the length, constant cross section having at least two closed chambers (15, 16) separated by an essentially horizontal partition wall (14). Each chamber has a side (19), which is turned away from the vehicle, with at least one longitudinal concave portion (20, 21; 22, 23) extending along the entire length and one side (24), which is facing the vehicle, with at least one longitudinal convex portion (25, 26; 27, 28) extending along the entire length. After the roll forming, some portions (32) of the cross section are pressed together vertically or horizontally in order to adapt the deformation properties.Type: GrantFiled: March 20, 2015Date of Patent: June 5, 2018Assignee: Gestamp Hardtech ABInventor: Daniel Palo
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Publication number: 20180029549Abstract: A bumper beam is roll formed so that it gets a closed cross section with, along the length, constant cross section having at least two closed chambers (15, 16) separated by an essentially horizontal partition wall (14). Each chamber has a side (19), which is turned away from the vehicle, with at least one longitudinal concave portion (20, 21; 22, 23) extending along the entire length and one side (24), which is facing the vehicle, with at least one longitudinal convex portion (25, 26; 27, 28) extending along the entire length. After the roll forming, some portions (32) of the cross section are pressed together vertically or horizontally in order to adapt the deformation properties.Type: ApplicationFiled: March 20, 2015Publication date: February 1, 2018Applicant: Gestamp Hardtech ABInventor: Daniel Palo
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Patent number: 9744997Abstract: A B-pillar is shaped from a sheet blank (20,21) into a hat profile with a central flange (12), two sides (13,14) and two side flanges (15,16), and it has, over a portion of its length, a reinforcing sheet (21) that make the B-pillar have double sheets. The reinforcing sheet (21) extends out over the side flanges (15,16) over at least ΒΌ of its length and narrows down at both its ends so that it does not extend out over the side flanges over part of its length.Type: GrantFiled: May 24, 2013Date of Patent: August 29, 2017Assignee: Gestamp Hardtech ABInventors: Emil Olofsson, Jan Larsson, Hans Bodin
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Patent number: 9610910Abstract: A bumper with integrated crumple is formed from a central beam (11) and two outer beams (12, 13), the ends of the central beam and adjacent ends of the outer beams being curved and welded together to form crash boxes (14, 15).Type: GrantFiled: June 30, 2009Date of Patent: April 4, 2017Assignee: Gestamp Hardtech ABInventor: Per Muskos
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Publication number: 20170066481Abstract: A B-pillar for a vehicle is made by the press hardening method. The blank is made by placing two blank elements (20,21) with an overlap (23) and welding the elements together before the shaping process.Type: ApplicationFiled: October 21, 2016Publication date: March 9, 2017Applicant: Gestamp Hardtech ABInventor: Hans Bodin
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Publication number: 20170066394Abstract: A bumper beam is comprised of a hat-shaped profile (11) with a cover (12). The cover faces outward from the vehicle and has vertical depressions (21) at the locations of the fastening portions (18, 19) of the bumper beam, as well as horizontal depressions between said fastening portions. The sides (14, 15) of the hat-shaped profile have depressions directed in the longitudinal direction of the vehicle.Type: ApplicationFiled: March 5, 2014Publication date: March 9, 2017Applicant: Gestamp Hardtech ABInventor: Johan Nilsson
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Publication number: 20170050272Abstract: A hat profile (11) has a tensile strength exceeding 1400 MPa and it has soft bands (20) with a tensile strength below 1100 MPa on its side flanges (15,16). The profile is welded to a cover (17) by single rows of weld dots (18). The side flanges have high strength zones (21,22) on both sides of the soft bands (20).Type: ApplicationFiled: January 16, 2015Publication date: February 23, 2017Applicant: Gestamp Hardtech ABInventors: Martin Holmberg, Mattias Lundman
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Patent number: 9505443Abstract: A B-pillar for a vehicle is made by the press-hardening method. The blank is made by placing together two blank elements (20,21) with an overlap (23) and welding the elements together before the shaping process.Type: GrantFiled: August 17, 2007Date of Patent: November 29, 2016Assignee: Gestamp Hardtech ABInventor: Hans Bodin
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Patent number: 9452724Abstract: A bumper beam has a hat-shaped profile (11) with a cover (12) which is recessed into the hat-shaped profile and is welded to the sides (16, 17) of the hat-shaped profile, inside the hat-shaped profile.Type: GrantFiled: March 5, 2014Date of Patent: September 27, 2016Assignee: Gestamp Hardtech ABInventor: Johan Nilsson
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Patent number: 9254800Abstract: A bumper beam has a U-profile with its top directed toward the vehicle. It has fixedly welded mounting plates (16, 17) in the form of horizontal hat-shaped profiles. The mounting plates are bolted to end plates (19) on the side rails (18) of the vehicle, so that collision stresses are transferred to all four sides (29, 30, 32, 33) of the respective side rail.Type: GrantFiled: March 5, 2014Date of Patent: February 9, 2016Assignee: Gestamp Hardtech ABInventor: Johan Nilsson
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Publication number: 20160009236Abstract: A bumper beam has a hat-shaped profile (11) with a cover (12) which is recessed into the hat-shaped profile and is welded to the sides (16, 17) of the hat-shaped profile, inside the hat-shaped profile.Type: ApplicationFiled: March 5, 2014Publication date: January 14, 2016Applicant: Gestamp Hardtech ABInventor: Johan Nilsson
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Publication number: 20160001724Abstract: A bumper beam has a U-profile with its top directed toward the vehicle. It has fixedly welded mounting plates (16, 17) in the form of horizontal hat-shaped profiles. The mounting plates are bolted to end plates (19) on the side rails (18) of the vehicle, so that collision stresses are transferred to all four sides (29, 30, 32, 33) of the respective side rail.Type: ApplicationFiled: March 5, 2014Publication date: January 7, 2016Applicant: Gestamp Hardtech ABInventor: Johan Nilsson
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Patent number: 9205726Abstract: A door beam has a double hat profile between its mounting ends (12, 13). The height of the outer sidewalls (14, 15) of the double hat profile decreases from a central part (25) of the beam towards the mounting ends (12, 13). Thus the height ratio between the outer (14, 15) and the inner (18, 19) sidewalls is decreased towards the mounting ends.Type: GrantFiled: November 15, 2013Date of Patent: December 8, 2015Assignee: Gestamp Hardtech ABInventor: Stefan Arvidsson
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Publication number: 20150291011Abstract: A door beam has a double hat profile between its mounting ends (12, 13). The height of the outer sidewalls (14, 15) of the double hat profile decreases from a central part (25) of the beam towards the mounting ends (12, 13). Thus the height ratio between the outer (14, 15) and the inner (18, 19) sidewalls is decreased towards the mounting ends.Type: ApplicationFiled: November 15, 2013Publication date: October 15, 2015Applicant: GESTAMP HARDTECH ABInventor: Stefan Arvidsson
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Patent number: 9127330Abstract: A method of forming a product by shaping and hardening a sheet-steel blank formed from separate sheets welded together, heating the blank to the austenitising range, hot stamping the blank in a cooled tool pair, hardening the product while it remains in the tool pair, and cooling the weld between two adjacent sheets at a reduced cooling rate as compared to the cooling rate of areas on either side of the weld.Type: GrantFiled: June 9, 2010Date of Patent: September 8, 2015Assignee: Gestamp Hardtech ABInventor: Jan Krispinsson
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Patent number: 8968496Abstract: In a press-hardening plant, a contact-cooling press (12) is provided between the furnace (11) and the press-hardening press (13). Preselected parts of the blank (18) are contact-cooled such that corresponding parts of the finished product are softer and display a lower yield point.Type: GrantFiled: February 17, 2011Date of Patent: March 3, 2015Assignee: Gestamp Hardtech ABInventors: Jan Larsson, Paul Akerstrom, Daniel Berglund
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Patent number: 8789872Abstract: A safety beam (11) in a vehicle door comprises an attachment end with a plurality of grooves (22, 23, 24) forming through channels to the underlying structure. The grooves have a height of 1-6 mm and an inner width of 3-7 mm and flat surfaces (18-21) between the grooves and to the outside of the outermost grooves have a width of 15-30 mm. Each of the flat surfaces comprises only one spot weld (26-29) to the underlying structure (12). The safety beam is immersed in a bath of anti-corrosive paint after assembly and is thus protected against crevice corrosion.Type: GrantFiled: January 19, 2011Date of Patent: July 29, 2014Assignee: Gestamp Hardtech ABInventor: Joakim Johansson
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Patent number: 8684449Abstract: The invention relates to a B-pillar for a vehicle including a main section (20) with a hat-shaped section (21) comprising a central flange (22), two web portions (23, 24) and two side flanges (25, 26). At least the hat-shaped section (21) is press-hardened and has a breaking strength in excess of 1400 MPa and the side flanges (25, 26) of the hat-shaped section (21) have a breaking strength below 1100 MPa along at least part of the length of the side flanges (25, 26). The B-pillar (13) includes a cover plate (40) welded to the side flanges (25, 26) of the hat-shaped section (21) so as to form a closed profile, the cover plate (40) having a breaking strength below 1100 MPa at least in the region in which it bears against the side flanges (25, 26). The side flanges (25, 26) of the hat-shaped section have a breaking strength below 1100 MPa in the region in which the side flanges bear against the cover plate (40).Type: GrantFiled: December 12, 2010Date of Patent: April 1, 2014Assignee: Gestamp Hardtech ABInventors: Hans Bodin, Jan Krispinsson, Paul Akerstrom, Daniel Berglund, Lars Wikstrom, Martin Holmberg
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Patent number: 8465088Abstract: An A-pillar for a vehicle includes a first part (15) extending as far as the windscreen and supporting the door hinges and a second arcuate part (16) extending up along the windscreen and continuing towards the back in order to serve as a roof beam (19) above the door. This second part consists of two open sections (23, 24) with flanges (25, 26; 27, 28) welded together so as to give the pillar a closed profile. At least one of the sections (23) is press-hardened and has a breaking strength in excess of 1400 MPa and the flanges (25, 26; 27, 28) of the sections have a breaking strength below 1100 MPa in a portion (35) situated above the door.Type: GrantFiled: December 11, 2010Date of Patent: June 18, 2013Assignee: Gestamp Hardtech ABInventors: Hans Bodin, Jan Krispinsson, Paul Akerstrom, Daniel Berglund, Lars Wikstrom, Martin Holmberg