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    Packaging machine and method
    2.
    发明授权
    Packaging machine and method 失效
    包装机和方法

    公开(公告)号：US3665673A

    公开(公告)日：1972-05-30

    申请号：US3665673D

    申请日：1969-07-28

    Applicant: FMC CORP

    Inventor： BILLETT RONALD J ,  HOLTKAMP WILHELMUS H ,  VIITANEN VEIKKO K

    IPC: B65B9/02 ,  B65B41/14 ,  B65B51/30

    CPC classification number: B65B41/14 ,  B29C65/02 ,  B29C65/18 ,  B29C65/305 ,  B29C65/743 ,  B29C66/1122 ,  B29C66/133 ,  B29C66/244 ,  B29C66/43 ,  B29C66/71 ,  B29C66/73711 ,  B29C66/81419 ,  B29C66/81427 ,  B29C66/81431 ,  B29C66/81457 ,  B29C66/849 ,  B29C66/872 ,  B29C66/91231 ,  B65B9/02 ,  B65B51/306 ,  B29K2027/06

    Abstract: Food products supported on trays, of the clear or opaque variety, are fed, either manually or automatically, between plastic webs which constitute an overwrap for the tray and a product carried thereby. The plastic webs follow paths which intersect and they are joined along a transverse line by heated sealing and cutting mechanisms. Tray supported products, for convenience called units, are fed toward and past the juncture of the webs, while the webs are unwound from their respective parent rolls, enveloping the unit to be packaged therebetween. Thereafter the longitudinal edges of the webs adjacent the unit are heat sealed and cut while simultaneously therewith the webs are transversely joined along transversely spaced lines adjacent the trailing end of the unit resulting in a hermetically sealed unit and joining of the web ends to provide a juncture for a subsequent package.

    Abstract translation: 支撑在清洁或不透明品种的托盘上的食品，可以手动或自动地进入构成托盘的外包装的塑料网和由其携带的产品之间。 塑料网沿着相交的路径，并且通过加热的密封和切割机构沿着横向线连接。 托盘支撑的产品为了方便所称的单元，朝着并超过幅材的接合处被馈送，而幅材从它们各自的母辊展开，包围待包装的单元。 此后，邻近单元的腹板的纵向边缘被热密封和切割，同时，腹板沿着与单元的尾端相邻的横向间隔的线横向连接，从而形成密封单元并连接腹板端部以提供接合处 用于随后的包装。

    Veneer-sheet-feeding apparatus
    4.
    发明授权
    Veneer-sheet-feeding apparatus 失效
    面板送料装置

    公开(公告)号：US3599968A

    公开(公告)日：1971-08-17

    申请号：US3599968D

    申请日：1969-12-24

    Applicant: FMC CORP

    Inventor： BILLETT RONALD J ,  WEST TERENCE H

    IPC: B65G59/04 ,  B27D1/04 ,  B65H3/08 ,  B65H3/44 ,  B65H5/06 ,  B65H7/12 ,  B65H7/18 ,  B65H39/04 ,  B65H39/043 ,  B65H39/055 ,  B65H5/10

    CPC classification number: B65H7/12 ,  B65H3/0816 ,  B65H5/066 ,  B65H2701/1938

    Abstract: In plywood layup apparatus, veneer sheets are fed from a vertical stack onto a horizontal conveyor by a movable vacuum head that grips the uppermost veneer sheet in the stack and shifts it towards the conveyor. A pair of pinch rollers are positioned between the vacuum head and conveyor to separate a veneer sheet from the vacuum head by gripping and driving the veneer sheet forward onto the conveyor. Sometimes two veneer sheets, one superposed upon another, are fed between the pinch rollers by the vacuum head. This condition is detected automatically by sensing means which activate controls for lifting the upper pinch roller and holding the vacuum head in a sheet-feeding position. Friction force of the lower pinch roller acts on the lower veneer sheet only. The lower veneer sheet is driven forward onto the conveyor but the upper veneer sheet is held stationary by the vacuum head. After the lower veneer sheet has been separated and spaced from the upper veneer sheet, the upper pinch roller is lowered, forcing the upper veneer sheet into driving contact with the lower pinch roller. Thus, the upper veneer sheet is separated from the vacuum head and driven forward onto the conveyor.

    Method of and apparatus for detecting an opaque object in a translucent substance
    10.
    发明授权
    Method of and apparatus for detecting an opaque object in a translucent substance 失效
    用于检测透明物质中的OPAQUE物体的方法和装置

    公开(公告)号：US3628657A

    公开(公告)日：1971-12-21

    申请号：US3628657D

    申请日：1968-08-15

    Applicant: FMC CORP

    Inventor： BILLETT RONALD J

    IPC: B07C5/34 ,  B07C5/342

    CPC classification number: B07C5/3416

    Abstract: The apparatus of the present invention serves to detect a pit or a pit fragment that may remain in a peach half because of an imperfect pit removing operation. Toward this end, a conventional gas laser casts continuously a beam of laser light on a conventional oscillating mirror. In turn, the oscillating mirror, which is located on one side of an advancing peach half, projects an oscillating pencil of laser light through the advancing peach half. On the other side of the advancing peach half and disposed in the path of travel of the oscillating pencil of laser light is a suitable light sensing device. A conventional light diffusing screen intercepts the oscillating pencil of laser light in the absence of a peach half. While no peach half is in the path of travel of the oscillating pencil of laser light, the diffusing screen diffuses the oscillating pencil of laser light, the intensity of which is sufficient to cause the light sensing device to produce a no reject signal in the output thereof. When a peach half with no pit or pit fragment therein advances through the oscillating pencil of laser light, it diffuses the oscillating pencil of laser light. As a consequence thereof, a no reject signal is produced in the output of the light sensing device. Should a pit or a pit fragment be present in the advancing peach half, then the oscillating pencil of laser light is partially blocked or intercepted by the opaque characteristics of a pit or pit fragment, which causes a reduction of the intensity of the light impinging on the light sensitive device. This action results in a reject signal being produced in the output of the light sensing device.

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