发明名称 |
Fall zone covering for playground |
摘要 |
Rubber slivers which are encapsulated within a protective, decorative film of weather-resistant and color-fast resin are used as unconsolidated fall zone material around and under playground equipment. The resin is applied to rubber slivers in the form of an aqueous coating in which a modified acrylic copolymer is mixed with color pigment and rheological additives. The aqueous coating is sprayed onto the rubber slivers as they fall by gravity flow through a drop zone. Thereafter, the aqueous coating is dried and set as the coated rubber particles are conveyed through the exposure zone of a hot air dryer.
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申请公布号 |
US5714263(A) |
申请公布日期 |
1998.02.03 |
申请号 |
US19960675987 |
申请日期 |
1996.07.09 |
申请人 |
KING ASSOCIATES INC. |
发明人 |
JAKUBISIN, JOHN;ALFIERI, JAMES K. |
分类号 |
B29B17/00;(IPC1-7):B32B27/14 |
主分类号 |
B29B17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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