Ball piece for sports ball

Ball piece for sports ball

  • CN 1,739,826 B
  • Filed: 08/25/2004
  • Issued: 11/19/2014
  • Est. Priority Date: 08/25/2004
  • Status: Active Grant
First Claim
Patent Images

1. a manufacture method for leather ball sheet, is characterized in that, the method includes following steps:

  • (a). clip list leather material, the leather ball sheet of sizing to obtain, the cross section of this leather ball sheet is rectangle;

    (b). the periphery to described leather ball sheet is processed, and to form kink, the described leather ball sheet after this processing has the cross sectional shape of T font, and described processing method is the one in high frequency processing method, hot plate processing method and cutting method;

    (c). in the time using high frequency processing method or the formation of described hot plate processing method to there is the leather ball sheet of cross sectional shape of T font, by the bonding layer that acts on kink and part place corresponding with this kink on leather ball sheet and form the molten condition of leather ball sheet on thickness direction of heat energy, described bonding layer is made up of the melting layer in the scope of described leather ball sheet 0.1~

    1.0mm on thickness direction;

    When using cutting method to form while thering is the leather ball sheet of cross sectional shape of T font, by kink and part place corresponding with this kink on leather ball sheet one by one coating adhesive form bonding layer;

    (d). the leather ball sheet of cross sectional shape of the T font with bonding layer forming by step (c) is pressed into and is had and the mould of the recess that final leather ball plate shape is roughly equal, described kink is bent and by described bonding layer and ball chip bonding.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×