1. A sport ball comprising:
a casing having (a) a plurality of panels joined together at seams and (b) a thermoplastic polymer material secured to an interior side of the casing, the thermoplastic polymer material extending across the seams; and
at least one layer within the casing.
2. The sport ball of claim 1, wherein the layer within the casing is a bladder.
3. The sport ball of claim 2, further comprising an intermediate layer located between the casing and the bladder.
4. The sport ball of claim 1, wherein the plurality of panels are joined together by welding.
5. The sport ball of claim 3, wherein the thermoplastic polymer material is bonded to the intermediate layer.
6. The sport ball of claim 1, wherein the thermoplastic polymer material is configured to be activated by heat during an initial pressurization of the ball.
7. The sport ball of claim 1, wherein the thermoplastic polymer material is applied to substantially all of the interior side of the casing.
8. A sport ball comprising:
a casing forming at least a portion of an exterior surface of the ball, the casing having an exterior side and an opposite interior side, and the casing including:
a first panel that includes a thermoplastic polymer material layer on the interior side and adjacent to an edge area of the first panel,
a second panel that includes a thermoplastic polymer material layer on the interior side and adjacent to an edge area of the second panel, and
at least one seam joining (a) the edge area of the first panel and the edge area of the second panel and (b) the exterior side of the first panel and the exterior side of the second panel, the thermoplastic polymer material layer of the first panel and the thermoplastic polymer material layer of the second panel extending across the seam; and
a bladder located within the casing and configured to be pressurized with air.
9. The sport ball of claim 8, further comprising an intermediate layer located between the casing and the bladder.
10. The sport ball of claim 8, wherein the seam is a welded seam.
11. The sport ball of claim 8, wherein the seam is a stitched seam.
12. The sport ball of claim 8, further comprising a plurality of additional panels, each of the additional panels comprising a thermoplastic polymer material layer on the interior side and adjacent to edge areas of the additional panels, wherein the thermoplastic polymer material is configured to be activated by heat, wherein the plurality of panels are joined at a plurality of seams, and wherein the thermoplastic polymer material has been heat-activated.
13. The sport ball of claim 8, wherein the thermoplastic polymer material forms a seal across the seam.
14. A method of manufacturing a sport ball comprising:
providing a plurality of casing panels, wherein an interior side of the casing panels includes a thermoplastic polymer material layer applied adjacent to edges of the casing panels;
joining the edges of the casing panels together to form an inverted casing;
turning the casing rightside-out through an aperture formed by at least one of the casing panels;
inserting an intermediate layer and a bladder into the casing;
inflating the bladder; and
applying heat to the thermoplastic polymer material layer to bond the casing panels to the intermediate layer.
15. The method of claim 14, wherein joining the edges of the casing panels together comprises welding the panels together.
16. The method of claim 14, further including (a) inserting the casing, intermediate layer, and bladder into an assembly comprising an inner cavity and (b) inflating the bladder within the inner cavity while applying heat to the thermoplastic polymer material layer.
17. The method of claim 16, wherein the inner cavity is a spherical inner cavity.
18. The method of claim 14, further including trimming the edges of the casing panels after the panels are joined.
19. The method of claim 14, further including inserting an intermediate layer in the casing.
20. The method of claim 15, further including trimming the edges of the casing panels during welding.
21. The method of claim 15, wherein the step of providing the plurality of casing panels includes spraying the thermoplastic polymer material on a surface of the casing panels.
22. A sport ball comprising:
a casing having (a) a plurality of panels joined together at seams and (b) a thermoplastic polymer material secured to an interior side of the panels, the thermoplastic polymer material extending across the seams; and
a layer within the casing,
wherein the thermoplastic polymer material is bonded to the layer.
23. The sport ball of claim 22, wherein the layer within the casing is a bladder.
24. The sport ball of claim 22, wherein the layer within the casing is an intermediate layer and the ball further comprises a bladder within the intermediate layer.
25. The sport ball of claim 22, wherein the plurality of panels are joined together by welding.
26. The sport ball of claim 22, wherein the thermoplastic polymer material is a spray polymer.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A power saving charger 1 of the present invention has the following elements.
a switch circuit having an input end connected to an AC current source for turning on or turn off AC current;
a switch driving circuit having an output end connected to the switch circuit for outputting signals to turn on or turn off the AC current of the switch circuit;
a charging circuit connected to the output end of the switch circuit for converting AC current to DC current so as to charge to a battery of an external load; and
a charge detection circuit connected to a charge output end of the charging circuit and a signal output end of the charging circuit for detecting the completeness of the charge and detection of the existence of the load; a signal output end of the charge detection circuit being connected to an signal input end of the switch driving circuit; and
wherein is usage, the battery of the external load is connected to the charging circuit and a charge output end of the load is connected to the charge detection circuit.