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    Wearable disposable covering of heat shrink film
    2.
    发明授权
    Wearable disposable covering of heat shrink film 失效
    热收缩膜的可消耗的覆盖

    公开(公告)号：US3634954A

    公开(公告)日：1972-01-18

    申请号：US3634954D

    申请日：1969-12-03

    Applicant: BRUNSWICK CORP

    Inventor： LARSEN JACK H ,  TRIER LOUIS J ,  RYTINA ANTON W

    IPC: A43B3/10 ,  A43B3/16 ,  A43B5/18 ,  A43B1/10 ,  A43B13/22

    CPC classification number: A43B3/163 ,  A43B3/106 ,  A43B3/16 ,  A43B5/18

    Abstract: A wearable disposable covering of heat shrink film and, more particularly, a covering for a hand or foot. It can be placed over a shoe or directly onto the foot of a wearer and is usable as a disposable bowling shoe with the covering having a first part thereof defining a sole when placed on a foot and a second part thereof shaped to fit over the top of the foot and around the heel and the covering being of a size to loosely fit onto the foot and then be tightly drawn onto the foot by application of heat to the covering.

    Abstract translation: 一种可热收缩的热收缩薄膜，尤其是用于手或脚的覆盖物。 它可以放置在鞋上或直接放置在穿戴者的脚上，并且可用作一次性保龄球，其中所述覆盖物具有在放置在脚上时限定鞋底的第一部分，并且其第二部分成形为适合顶部 的脚和围绕脚后跟，并且覆盖物具有松散地配合到脚上的尺寸，然后通过对盖进行加热而紧紧地拉到脚上。

    Method of making bowling pins
    3.
    发明授权
    Method of making bowling pins 失效
    制造引脚的方法

    公开(公告)号：US3626050A

    公开(公告)日：1971-12-07

    申请号：US3626050D

    申请日：1969-08-20

    Applicant: BRUNSWICK CORP

    Inventor： SATCHELL FRED E ,  RYTINA ANTON W ,  TRIER LOUIS J

    IPC: A63D9/00 ,  B29D3/00 ,  B29B3/00 ,  B29H9/00

    CPC classification number: A63D9/00 ,  Y10S29/029 ,  Y10T29/49993

    Abstract: A method of manufacturing a pin bottom for use in combination with a bowling pin which has a central reduced shank at its butt end formed by an undercut at the juncture of the bottom surface and side surface of the pin, with the undercut forming a downwardly facing annular groove. The pin bottom comprises a flexible upper base member which embraces the shank and is positioned entirely at the uppermost areas of the groove and bonded thereto. A wear-resistant lower base member extends at its upper end into the groove and terminates at its lower end in a shoulder which defines a continuation of the bottom and side surfaces of the bowling pin. The two base members are mechanically interlocked to form the pin bottom and to releasably secure the lower base member on the bowling pin.

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