Assignee: Fatigue Technology, Inc.

Location: Seattle, WA
No. of patents: 38

Number	Title	Issue Date
8117885	Mandrel with retention sleeve and methods of using the same Self-aligning tools may be used to install and reposition an expandable structure in a workpiece. A self-aligning installation system may include an expansion mandrel, self-aligning nose cap assembly, and an installation tool for driving the mandrel. The expansion m...	02/21/2012
8069699	Installation/processing systems and methods of using the same Installation/processing tools may be used to install one or more expandable structures in a workpiece. An installation/processing tool may include an expansion mandrel, a processing tool, and an expansion assembly having an expansion jaw movable between a collapsed ...	12/06/2011
8061178	Self-aligning tools and seating assemblies Self-aligning tools may be used to install and reposition an expandable structure in a workpiece. A self-aligning installation system may include an expansion mandrel, self-aligning nose cap assembly, and an installation tool for driving the mandrel. The expansion m...	11/22/2011
8057144	Sealed, blind fastener assembly A sealed attachment fastener assembly with a receiving member and a cap that can be inserted into an opening in a work piece and fixed therein from only one side of the work piece. A portion of the fastener assembly on the blind side of the work piece is collapsible...	11/15/2011
7958766	Self-aligning tools and a mandrel with retention sleeve Self-aligning tools may be used to install and reposition an expandable structure in a workpiece. A self-aligning installation system may include an expansion mandrel, self-aligning nose cap assembly, and an installation tool for driving the mandrel. The expansion m...	06/14/2011
7946628	Tubular metal fitting expandable in a wall opening and method of installation A fitting (58) is inserted into an opening (56) in a wall (50). The fitting (58) includes a ring portion (64) where it extends through the opening (56). It also includes one or two end portions (66, 68) that extend ax...	05/24/2011
7926319	Mandrel assembly and method of using the same A mandrel assembly has a mandrel, a biasing member, and a outer member. The biasing member biasly maintains the outer member in a first position, which corresponds to a contoured portion of the mandrel, when the outer member is either on the access or the blind side...	04/19/2011
7926318	Alignment device and methods of using the same An alignment device is located on a mandrel of an installation tool and is used to align a structural member in an opening of a workpiece while seating a radial flange of the structural member against a first surface of the workpiece. The alignment device comprises ...	04/19/2011
7641430	Nut plates and threaded inserts and methods of assembling and installing the same This disclosure relates to a pre-assembled fastener assembly having a retainer, a nut member, and a cold expansion mandrel that is forcibly removable after the assembly is installed into an opening of a structural workpiece. The mandrel is captured between a portion...	01/05/2010
7617712	Alignment device and methods of using the same An alignment device is located on a mandrel of an installation tool and is used to align a structural member in an opening of a workpiece while seating a radial flange of the structural member against a first surface of the workpiece. The alignment device comprises ...	11/17/2009
7509829	Mandrel assembly and method of using the same A mandrel assembly has a mandrel, a biasing member, and a outer member. The biasing member biasly maintains the outer member in a first position, which corresponds to a contoured portion of the mandrel, when the outer member is either on the access or the blind side...	03/31/2009
7448652	Tubular metal fitting expandable in a wall opening and method of installation A fitting is inserted into an opening in a wall. The fitting includes a ring portion where it extends through the opening. It also includes one or two end portions that extend axially outwardly from the ring portion. The ring portion has an inside diameter that is s...	11/11/2008
7406777	Method and apparatus employing eccentric bushing An alignment assembly comprises an outer bushing received in an aperture of a work piece, and an eccentric bushing received in a passage of the inner bushing and rotated to align a passage of the eccentric bushing with passages of other work pieces and/or alignment ...	08/05/2008
7375277	Double flanged bushings and installation methods A dual bushing installation kit includes a first metal bushing and a second metal bushing. The first metal bushing can include a first body having first and second ends. The first and second ends are connected by a first outer surface having a first outer circumfere...	05/20/2008
7100264	Method of installing double flanged bushings A bushing (52) has two bushing parts (52, 58), each of which includes a tubular section (54, 60) and a radial flange section (56, 62) Tubular section (54) is inserted into an opening (38) in a work member (40), from o...	09/05/2006
7024908	Fatigue enhancement of material surrounding openings in workpieces An elongated first tubular member has a mandrel receiving center passageway and a slotted outer end portion that comprises first axial fingers separated by first axial slots. An elongated second tubular member surrounds the first tubular member and has a slotted out...	04/11/2006
6990722	Method and apparatus for connecting a fastener element to a wall A tubular fastener element is inserted into an opening in a wall until a flange at the trailing end of the fastener element is in contact with the wall. Then, an externally threaded end of a rod is inserted into a center opening in the fastener element from the flan...	01/31/2006
6487767	Method and apparatus for connecting a fastener element to a wall A tubular fastener element (34) is inserted into an opening(44) in a wall (W) until a flange (40) at the trailing end of the fastener element (34) is in contact with the wall (W). Then, an externally threaded end (32) of a rod (28) is inserted into a cent...	12/03/2002
6183180	Wall nut and bolt assemblies A tubular stem (14) at one end of a nut mount (10) is inserted into an opening (O) in a wall (W) and is expanded to connect it to the wall (W). An annular collar or space (16) contacts the wall (W) where it immediately surrounds the opening (O). A clip-on...	02/06/2001
6077010	Wall bolt assembly A tubular stem (16) of a bolt mount (12) is coldexpanded into an opening (70) in a wall (72). A second wall (76) is placed against the first wall (72), with an opening (70) in it in alignment with the center opening (32) in the tubular stem (16). An elong...	06/20/2000
5468104	Wall nut assembly A tubular stem (S) at one end of a nut cage (NC) is inserted into an opening in a wall and is expanded to connect it to the wall and to coldwork the wall material surrounding the opening for fatigue life enhancement. The nut cage (NC) includes a cage floo...	11/21/1995
5433100	Apparatus for split sleeve and tubular bushing cold expansion A nosepiece apparatus for use in conjunction with a pull gun for prestressing fastener holes, or the like, in a workpiece, the nosepiece including an adapter (12) having a central passageway (19) therethrough and a rear end (20) adapted to be mounted to a...	07/18/1995
5405228	Nut cage and mount A circular opening (54) is formed in a wall (12). A tubular shank (42) of a nut mounting unit (40) is inserted into the opening (54). The unit (40) is moved endwise to place a nut cage base (46) against the wall (12). A split sleeve (82) is installed on a...	04/11/1995
5380136	Anchor nut mount An anchor nut mount (10) including a mount base (13) and a snap ring (14), the mount base (13) including a base plate (15) having base sidewall portions (16) and radial slots (18) defined in the outer side regions (20) of the base sidewall portions (16). ...	01/10/1995
5341559	Method and apparatus for securing a tubular bushing in a circular opening A tubular bushing (68) is positioned into an opening (88) in a member (84). An axially split expansion sleeve (66) is placed onto a small diameter portion (54) of an extended mandrel (10). The mandrel (10) includes an increasing diameter portion (56) and ...	08/30/1994
5305627	Split sleeve cold expansion An internally lubricated, longitudinally split sleeve is positioned on a small diameter portion a mandrel having a rear end connected to a piston with a puller tool. The rear end of the split sleeve is flared and is against the front end of a tubular slee...	04/26/1994
5245743	Method of installing a nut mounting grommet A circular opening (48) is formed in a structural wall (12). A tubular shank (28) of a nut mounting grommet (26) is inserted into the opening (48). The grommet (26) is moved endwise to place a shoulder surface (34) on the base of a nut mounting cup (30) a...	09/21/1993
5218854	System for cold expanding holes in rail sections A split sleeve (96) is seated in a fastener hole (10) in the web (8) of a rail section (2). The tapered portion (26) of a mandrel (20) is firmly seated in the hole (10) inside the sleeve (96). A puller mechanism jaw (40) and a nosecap (78) are moved downw...	06/15/1993
5127254	Method and apparatus for split sleeve cold expansion of openings in structural members A split sleeve (S) is deposited into a sleeve loader (24, 24'), with a lower end of the sleeve (S) on a sleeve support surface (154). A mandrel (M) carried by a puller tool (10, 10') is inserted into the sleeve loader (24, 24'), and through the sleeve (S)...	07/07/1992
5103548	Method and apparatus for securing a tubular bushing in a circular opening A tubular bushing (68) is positioned into an opening (92) in a member (88). An axially split expansion sleeve (66) is placed onto a small diameter portion (54) of an extended mandrel (40). The mandrel (10) includes an increasing diameter portion (56) and ...	04/14/1992
5096349	Nut mounting grommet A circular opening (48) is formed in a structural wall (12). A tubular shank (28) of a nut mounting grommet (26) is inserted into the opening (48). The grommet (26) is moved endwise to place a shoulder surface (34) on the base of a nut mounting cup (30) a...	03/17/1992
5083363	Method of installing a grommet in a wall of composite material The present invention provides a method of installing a grommet within an opening in a wall of composite material. An opening (10) is formed in a wall of composite material (12). A countersink (20) is formed at one end of the opening (10). A grommet (22) ...	01/28/1992
4864732	Combined hole size gauge and oversized hole marker A combined hole size gauge and oversized hole marker having either first and second sensing members (42, 44) or a single dimensionally graduated size sensing member (14) which when inserted into a hole (40) in a workpiece (38) allows the user to determine...	09/12/1989
4809420	Method and apparatus for backing up mandrel exit holes in knuckle structures A pair of back-up members (32, 42) are inserted between adjacent projection (4) of a workpiece (2). Openings (36, 46) through the members (32, 42) are aligned with holes (6) through the projections (4). A wedge (54) is driven between the members (32, 42) ...	03/07/1989
4557033	Method of cold expanding and sizing fastener holes The method of fastening a plurality of metal members (82, 84; 232, 230) in which precision holes (86, 88; 236, 234) are drilled through the metals which are to be connected together. The drilled holes in the metal members are cold-expanded to improve the ...	12/10/1985
4471643	Method and apparatus for prestressing fastener holes A pull gun (10) is used for pulling a mandrel (12, 150, 180) through an expandable sleeve (74, 144, 180) positioned in a fastener hole. The mandrel expands the sleeve as it moves therethrough causing the sleeve to put the metal which surrounds the hole in...	09/18/1984
4425780	Apparatus having extended prestressing and sleeve retaining devices for prestressing countersunk fastener holes and method A pull gun (10) is used for pulling a mandrel (12) through an expandable sleeve (124) positioned in a fastener hole (130, 132) having a countersink (140). The mandrel expands the sleeve (124) as it moves therethrough, causing the sleeve to put the metal w...	01/17/1984
4423619	Apparatus and method for prestressing a countersunk fastener hole A pull gun (30) is used for pulling a mandrel (32) through an expandable sleeve (126) positioned in a fastener hole (134, 136). The mandrel (32) expands the sleeve (126) as it moves through the sleeve (126), causing the sleeve (126) to prestress the metal...	01/03/1984

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Assignee: Fatigue Technology, Inc.