Mat and process for manufacturing a resilient article |
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| 申请号 | JP20306488 | 申请日 | 1988-08-15 | 公开(公告)号 | JPH01206031A | 公开(公告)日 | 1989-08-18 |
| 申请人 | Cellastic As; | 发明人 | PEERU BUORUFU; | ||||
| 摘要 | PURPOSE: To generate a regulated instability even in a stably static state for a person in an upright attitude by forming one surface of many coupled liquid- filled compartments in a conical top state, raising a pressure in the compartment higher than 0.5 bar, and assembling a mat. CONSTITUTION: The mat comprises interconnected liquid-filled compartments with stable elastomeric compartment walls spread over by a liquid. The mat is designed so that a ratio of a static tensile stress in the wall to a tensile stress brought by a dynamic elongation is smaller than about 0.5 and a pressure of the compartment becomes higher than 0.5 bar. The elastomer has a short relaxation time of a range of 5 to 20% per time decade, and a resilient module of a 300% elongation in a range of about 50 to 110 kp/cm 2 . If thickness of the wall is about 1.5 to 3.5 mm, the most suitable module is 70+/-20 kp/cm 2 of E module. And, the optimum tensile strength is 150 kp/cm 2 at the minimum. COPYRIGHT: (C)1989,JPO |
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