Method of forming self tapping insert having internal lock专利检索- 以使用形式和方法都类似于螺纹切制工具的但不切除任何材料的工具进行螺纹成形加工专利检索查询-专利查询网

Method of forming self tapping insert having internal lock
申请号	US31260663	申请日	1963-09-30	公开(公告)号	US3220029A	公开(公告)日	1965-11-30
申请人	ROBERT NEUSCHOTZ;			发明人	ROBERT NEUSCHOTZ;
摘要
权利要求	1. THE METHOD THAT COMPRISES COMMENCING WITH A BODY HAVING AN EXTERNAL SURFACE OF NON-CIRCULAR CROSS SECTION DEFINING ALTERNATE PEAKS AND RECESSES, FORMING EXTERNAL THREADS ON SAID BODY AND INTERNAL THREADS THEREIN RADIALLY OPPOSITE SAID EXTERNAL THREADS WITH SAID EXTERNAL THREADS BEING TRUNCATED PROGRESSIVELY BY SAID EXTERNAL SURFACE TO FORM ALTERNATE PEAK PORTIONS AT WHICH THE EXTERNAL THREADS ARE OF MAXIMUM RADIAL THICKNESS AND CIRCULARLY INTERMEDIATE MINIMUM RADIUS PORTIONS WHICH ARE RECESSED RADIALLY INWARDLY BEYOND PLANES JUST TOUCHING TWO ADJACENT PEAK PORTIONS, LOCALLY DEFORMING THE SIDE WALL OF SAID BODY RADIALLY INWARDLY, AFTER FORMING SAID EXTERNAL AND INTERNAL THREADS, AT THE LOCATION OF AT LEAST ONE OF SAID MINIMUM RADIUS PORTIONS, DIRECTLY
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