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公开(公告)号：JP2001254716A
公开(公告)日：2001-09-21
申请号：JP2001009027
申请日：2001-01-17
Applicant: EMHART INC
Inventor： PIACENTI FRANK , GREENWOOD PETER J , LAFOND JOHN A
Abstract: PROBLEM TO BE SOLVED: To provide a method for mounting a fastener with a screw on a work piece having a connecting part formed of plural connecting members. SOLUTION: This method comprises the steps of heating the connecting part in a region to be fastened; forming a hole at least on one of connecting members by pressing a fastener with a screw in the connecting part; and making the fastener with the screw screw-engaged with a work piece by forming a screw thread on the connecting part by rotating the fastener with the screw in the hole. A tool to carry out this method is also provided.
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公开(公告)号：CA2107588A1
公开(公告)日：1993-08-04
申请号：CA2107588
申请日：1993-02-03
Applicant: EMHART INC
Inventor： WILLIAMS JOHN J , PIACENTI FRANK , SUBLETT WILLIAM H , BROWN ROBERT W JR
Abstract: A self drilling screw (10) for thin metal applications. The screw has a small po int (20) for drilling a hole in the thin metal and a substantially larger diameter n on-tapered threaded section (12). Between these portions is an extended length taper (16) h aving a plurality of thread pitches (18) each including swaging lobes (22).
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公开(公告)号：DE69000356D1
公开(公告)日：1992-11-05
申请号：DE69000356
申请日：1990-06-28
Applicant: EMHART INC
Inventor： PIACENTI FRANK , FLINCHUM STEVEN NEIL
Abstract: A self-drilling and thread forming fastener for fastening a first softer workpiece, such as wood, to a second harder workpiece, such as metal, is described The fastener features wings (87, 88) of improved configuration including positive angle of attack, positive cutting edge relief angles, teardrop-like crescent shape cross section and knife-like cutting edge which exhibit faster drill times through wood.
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公开(公告)号：DE69000356T2
公开(公告)日：1993-02-25
申请号：DE69000356
申请日：1990-06-28
Applicant: EMHART INC
Inventor： PIACENTI FRANK , FLINCHUM STEVEN NEIL
Abstract: A self-drilling and thread forming fastener for fastening a first softer workpiece, such as wood, to a second harder workpiece, such as metal, is described The fastener features wings (87, 88) of improved configuration including positive angle of attack, positive cutting edge relief angles, teardrop-like crescent shape cross section and knife-like cutting edge which exhibit faster drill times through wood.
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公开(公告)号：DE69105444D1
公开(公告)日：1995-01-12
申请号：DE69105444
申请日：1991-10-03
Applicant: EMHART INC
Inventor： DIXON TONY L , STARKE DAVID E , PIACENTI FRANK , BROWN ROBERT W
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Patent Agency Ranking
公开(公告)号：DE69304631T2
公开(公告)日：1997-02-13
申请号：DE69304631
申请日：1993-02-03
Applicant: EMHART INC
Inventor： WILLIAMS JOHN , PIACENTI FRANK , SUBLETT WILLIAM , BROWN ROBERT
Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.
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公开(公告)号：AU648225B2
公开(公告)日：1994-04-14
申请号：AU8556891
申请日：1991-10-03
Applicant: EMHART INC
Inventor： DIXON TONY L , BROWN ROBERT W JR , PIACENTI FRANK , STARKE DAVID E
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公开(公告)号：MX9300597A
公开(公告)日：1993-11-01
申请号：MX9300597
申请日：1993-02-03
Applicant: EMHART INC
Inventor： WILLIAMS JOHN J , PIACENTI FRANK , SUBLETT WILLIAM H , BROWN ROBERT W JR
Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.
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公开(公告)号：ES2092287T3
公开(公告)日：1996-11-16
申请号：ES93904864
申请日：1993-02-03
Applicant: EMHART INC
Inventor： WILLIAMS JOHN J , PIACENTI FRANK , SUBLETT WILLIAM H , BROWN ROBERT W JR
Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.
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公开(公告)号：DE69304631D1
公开(公告)日：1996-10-17
申请号：DE69304631
申请日：1993-02-03
Applicant: EMHART INC
Inventor： WILLIAMS JOHN , PIACENTI FRANK , SUBLETT WILLIAM , BROWN ROBERT
Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.
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