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    Apparatus for controlling the tension on web material
    75.
    发明授权
    Apparatus for controlling the tension on web material 失效
    控制网页张力的装置

    公开(公告)号：US3826442A

    公开(公告)日：1974-07-30

    申请号：US32813473

    申请日：1973-01-30

    申请人： SMITHE MACHINE CO INC F L

    发明人： BETHKE E

    IPC分类号： B65H23/188 ,  B65H25/04

    CPC分类号： B65H23/1888 ,  B65H2511/112 ,  B65H2220/01

    摘要： Web material is unwound from a roll and supplied to a web unwind unit having a tension sensing mechanism mechanically connected thereto. The web material having a desired tension is drawn by an envelope machine drive at a first preselected linear speed through the web unwind unit into abutting contact with the tension sensing mechanism. The tension sensing mechanism includes a tension sensing roll arranged for rotation with an eccentrically supported shaft by a pair of tension arms. The tension sensing roll is arranged to apply a preselected pressure upon the web material so that the tension sensing roll responds to an increase in web tension by rotating with the tension arms in clockwise direction about the eccentrically supported shaft. The eccentrically supported shaft revolves in clockwise direction to move a pressure roll rotatably supported thereon toward a feed roll urging the web material into frictional engagement therebetween. The web material is fed by the pressure roll and the feed roll at an increased preselected linear speed to decrease the web tension. The tension sensing roll responds to a decrease in tension by rotating in counterclockwise direction with the tension arms. The eccentrically supported shaft also revolves in counterclockwise direction to release the web material from frictional engagement between the feed roll and the pressure roll restoring the web material to the slower preselected linear speed as provided by the envelope machine drive.

    摘要翻译： 卷筒纸材料从卷筒展开并提供到具有机械连接到其上的张力感测机构的卷筒纸卷取单元。 具有期望张力的纤维网材料通过纤维网解卷单元以第一预选线性速度由信封机驱动器拉伸，与张力感测机构邻接。 张力检测机构包括布置成通过一对张力臂与偏心支撑的轴一起旋转的张力感测辊。 张力感测辊被布置成对纤维网材料施加预选的压力，使得张力感测辊通过围绕偏心支撑的轴沿顺时针方向与张力臂一起旋转来响应卷筒纸张力的增加。 偏心支撑的轴沿顺时针方向旋转以将可旋转地支撑在其上的压力辊移动到使得幅材材料在其间摩擦接合的进给辊。 网状材料以增加的预选线速度由压力辊和进给辊进料以减小幅材张力。 张力传感辊通过用张力臂沿逆时针方向旋转来响应张力的减小。 偏心支撑的轴还沿逆时针方向旋转，以将卷筒纸材料从进料辊和压辊之间的摩擦接合释放，将卷筒纸材料恢复到由信封机驱动器提供的较慢的预选线性速度。

    Adhesive application mechanism for envelope processing machinery
    76.
    发明授权
    Adhesive application mechanism for envelope processing machinery 失效
    用于包装加工机械的粘合应用机制

    公开(公告)号：US3747561A

    公开(公告)日：1973-07-24

    申请号：US3747561D

    申请日：1971-06-23

    申请人： SMITHE MACHINE CO INC F L

    发明人： HELM H

    IPC分类号： B31B19/00 ,  B05C1/08

    CPC分类号： B31B70/00 ,  B31B70/62 ,  B31B2150/00 ,  B31B2160/10

    摘要： A mechanism for use with envelope processing machinery in which adhesive is applied to the appropriate locations on the envelope blanks. The mechanism is provided with both a remote controlled adhesive box and a structural arrangement in which the adhesive box is automatically opened and closed relative to the adhesive fountain roll. The latter arrangement is spring-loaded and is held in the open position by means of the viscosity of the liquid.

    摘要翻译： 用于信封处理机械的机构，其中粘合剂被施加到信封坯料上的适当位置。 该机构设置有远程控制的粘合剂盒和结构布置，其中粘合剂盒相对于粘合剂润滑辊自动打开和关闭。 后一种布置是弹簧加载的并且通过液体的粘度保持在打开位置。

    Arrangement for adjustable split scoring of seal and bottom score of an envelope of a bag blank
    77.
    发明授权
    Arrangement for adjustable split scoring of seal and bottom score of an envelope of a bag blank 失效
    用于可拆卸分割密封件的布置和包装袋的包装的底部分数

    公开(公告)号：US3664240A

    公开(公告)日：1972-05-23

    申请号：US3664240D

    申请日：1970-09-17

    申请人： SMITHE MACHINE CO INC F L

    发明人： HELM HERBERT W

    IPC分类号： B31B50/25 ,  B31B1/14 ,  B26D3/08

    CPC分类号： B31B50/00 ,  B31B50/254 ,  Y10S83/911 ,  Y10T83/0356 ,  Y10T83/4769

    摘要： An apparatus whereby the seal score and bottom score is made on the seal and bottom flaps respectively of envelopes or bag blanks. The apparatus provides for split scoring and an adjustment for different size envelopes or bag blanks. Size changes are accomplished by a running adjustment of the one scorer, relative to the other scorer which remains fixed. The construction is such that the pull-out segment engages each envelope blank at a precise location so that the distance on the envelope blank for the first scoring operation thereon is always predetermined. Thus, a fine running adjustment is permitted along with quick size changes for envelopes or bag blanks. The scoring knives also may be mounted on a common cylinder.

    摘要翻译： 分别在密封件和底部折片上分别对信封或袋坯进行密封分数和底部刻痕的装置。 该装置提供用于不同尺寸的信封或袋坯的分割刻痕和调整。 大小的变化是通过一个得分手相对于保持固定的其他得分手的运行调整而完成的。 该结构使得拉出部分在精确位置处接合每个信封毛坯，使得其上的第一刻痕操作的信封毛坯上的距离总是预先确定。 因此，允许精细的运行调整以及信封或袋坯料的快速更换。 刻痕刀也可以安装在公共汽缸上。

    Apparatus for regulating the seal gum width on envelope and bag machinery
    78.
    发明授权
    Apparatus for regulating the seal gum width on envelope and bag machinery 失效
    用于调节密封袋和袋机的密封盖的装置

    公开(公告)号：US3630125A

    公开(公告)日：1971-12-28

    申请号：US3630125D

    申请日：1970-05-14

    申请人： SMITHE MACHINE CO INC F L

    发明人： HELM HERBERT W

    IPC分类号： B31B19/00 ,  B31B21/74 ,  B31B1/62 ,  B31B1/96

    CPC分类号： B31B70/00 ,  B31B2150/00 ,  B31B2160/10 ,  Y10S493/917

    摘要： Apparatus for applying gum or adhesive to the seal flap of an envelope includes a collator vacuum cylinder that feeds the envelope blanks at a predetermined speed relative to the drive shaft of the envelope machine to a collator roll. The collator roll is driven at a speed arranged to move the envelope blanks into overlapped relation as a band onto a gumming belt conveyor. The gumming belt conveyor and the gumming roll drive mechanism are driven at a speed to maintain the envelope blanks in the band in preselected overlapped relation while adhesive is applied to the exposed flap portion of the envelope blanks by the gumming apparatus. The collator roll, gumming belt conveyor and the gumming roll drive mechanisms are driven in timed relation to each other and are drivingly connected to each other. The collator vacuum cylinder is driven at a fixed ratio relative to the main drive shaft. The input shaft of a variable speed drive mechanism is drivingly connected to the collator vacuum cylinder and the variable speed drive mechanism output shaft is drivingly connected to the apparatus for driving the collator rolls, gumming belt conveyor and the gumming roll drive mechanism. With this arrangement the speed of the collator roll, gumming belt and gumming roll drive mechanism may be changed relative to the speed of the collator vacuum cylinder and thus vary the overlapped relationship of the envelope blanks and the width of the strip of seal gum applied to the seal flap portion of the envelope blank.