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1. 发明授权

US3986470A Method and means for straight line manufacture of sheet metal duct elements 失效
标题翻译：用于直线制造钣金管道元件的方法和装置
公开(公告)号：US3986470A
公开(公告)日：1976-10-19
申请号：US560775
申请日：1975-03-21
申请人： Robert N. Berry , Dale D. Borlaug
发明人： Robert N. Berry , Dale D. Borlaug
IPC分类号： B21C37/10 , B21D35/00 , B21D39/02 , B21D51/00
CPC分类号： B21D39/02 , B21C37/104 , B21D35/00 , Y10S83/917 , Y10T83/817 , Y10T83/8743 , Y10T83/9442
摘要： The method of fabricating the sheet metal duct units of the present invention comprises cutting a plurality of spaced lines of notches in an elongated strip of sheet metal, each of the lines being transverse to the longitudinal axis of the strip. The strip is sheared at predetermined points along the length thereof so that the cutting and the shearing operation combine to form sheet metal segments each having at least one cleat tab on at least one end thereof. Next the sheet metal segments are bent along at least one axis extending longitudinally with respect to the longitudinal axis of the sheet metal so as to form an upstanding leg, the cleat tab being on one end of the upstanding leg. The cleat tab is then bent back against the remainder of the upstanding leg so as to form a cleat.The apparatus for accomplishing the above process comprises a straight line assembly including a notching means for forming notches in predetermined points across the width of the strip, shearing means for shearing the strip into segments of predetermined length; roll former RB means for forming the upstanding leg and for forming additional folds along a line parallel to the longitudinal axis of the strip; and cleat forming means positioned adjacent the roll press means for receiving the folded sheet elements therefrom and for engaging and bending the end edges of the upstanding leg to form a cleat.
摘要翻译：制造本发明的金属板管道单元的方法包括在细长的金属板条中切割多个间隔开的切口线，每条线横向于条带的纵向轴线。条带在其长度上的预定点处被剪切，使得切割和剪切操作组合以形成每个在其至少一个端部上具有至少一个防滑钉片的金属板段。接下来，金属片段沿着相对于金属板的纵向轴线纵向延伸的至少一个轴线弯曲，以便形成直立的腿部，该防滑钉片位于直立腿的一端。然后将防滑钉片折回到直立腿的其余部分，以形成防滑板。

2. 发明授权

US3983735A Cleat forming method and machine 失效
标题翻译：防滑成型方法和机器
公开(公告)号：US3983735A
公开(公告)日：1976-10-05
申请号：US560773
申请日：1975-03-21
申请人： Robert N. Berry
发明人： Robert N. Berry
IPC分类号： B21C37/10 , B21D39/02 , B21B25/04 , B21C37/02
CPC分类号： B21C37/104 , B21D39/02
摘要： The method of fabricating the sheet metal duct units of the present invention comprises cutting a plurality of spaced lines of notches in an elongated strip of sheet metal, each of the lines being transverse to the longitudinal axis of the strip. The strip is sheared at predetermined points along the length thereof so that the cutting and the shearing operation combine to form sheet metal segments each having at least one cleat tab on at least one end thereof. Next the sheet metal segments are bent along at least one axis extending longitudinally with respect to the longitudinal axis of the sheet metal so as to form an upstanding leg, the cleat tab being on one end of the upstanding leg. The cleat tab is then bent back against the remainder of the upstanding leg so as to form a cleat.The apparatus for accomplishing the above process comprises a straight line assembly including a notching means for forming notches in predetermined points across the width of the strip, shearing means for shearing the strip into segments of predetermined length; roll former RB means for forming the upstanding leg and for forming additional folds along a line parallel to the longitudinal axis of the strip; and cleat forming means positioned adjacent the roll press means for receiving the folded sheet elements therefrom and for engaging and bending the end edges of the upstanding leg to form a cleat.
摘要翻译：制造本发明的金属板管道单元的方法包括在细长的金属板条中切割多个间隔开的切口线，每条线横向于条带的纵向轴线。条带在其长度上的预定点处被剪切，使得切割和剪切操作组合以形成每个在其至少一个端部上具有至少一个防滑钉片的金属板段。接下来，金属片段沿着相对于金属板的纵向轴线纵向延伸的至少一个轴线弯曲，以便形成直立的腿部，该防滑钉片位于直立腿的一端。然后将防滑钉片折回到直立腿的其余部分，以形成防滑板。

3. 发明授权

US3982457A Notching machine 失效
标题翻译：开槽机
公开(公告)号：US3982457A
公开(公告)日：1976-09-28
申请号：US560776
申请日：1975-03-21
申请人： Robert N. Berry
发明人： Robert N. Berry
IPC分类号： B21C37/10 , B21D35/00 , B21D39/02 , B26D5/12
CPC分类号： B21D39/02 , B21C37/104 , B21D35/00 , Y10S83/917 , Y10T83/817 , Y10T83/8743 , Y10T83/9442
摘要： The method of fabricating the sheet metal duct units of the present invention comprises cutting a plurality of spaced lines of notches in an elongated strip of sheet metal, each of the lines being transverse to the longitudinal axis of the strip. The strip is sheared at predetermined points along the length thereof so that the cutting and the shearing operation combine to form sheet metal segments each having at least one cleat tab on at least one end thereof. Next the sheet metal segments are bent along at least one axis extending longitudinally with respect to the longitudinal axis of the sheet metal so as to form an upstanding leg, the cleat tab being on one end of the upstanding leg. The cleat tab is then bent back against the remainder of the upstanding leg so as to form a cleat.The apparatus for accomplishing the above process comprises a straight line assembly including a notching means for forming notches in predetermined points across the width of the strip, shearing means for shearing the strip into segments of predetermined length; roll former RB means for forming the upstanding leg and for forming additional folds along a line parallel to the longitudinal axis of the strip; and cleat forming means positioned adjacent the roll press means for receiving the folded sheet elements therefrom and for engaging and bending the end edges of the upstanding leg to form a cleat.
摘要翻译：制造本发明的金属板管道单元的方法包括在细长的金属板条中切割多个间隔开的切口线，每条线横向于条带的纵向轴线。条带在其长度上的预定点处被剪切，使得切割和剪切操作组合以形成每个在其至少一个端部上具有至少一个防滑钉片的金属板段。接下来，金属片段沿着相对于金属板的纵向轴线纵向延伸的至少一个轴线弯曲，以便形成直立的腿部，该防滑钉片位于直立腿的一端。然后将防滑钉片折回到直立腿的其余部分，以形成防滑板。

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