发明名称 PROCESS AND APPARATUS FOR THE PRODUCTION OF A COMPONENT COMPRISING A SUPPORT ELEMENT AND FOAM PORTIONS ON RESPECTIVE SIDES THEREOF
摘要 In a process and apparatus for the production of a component including a support element and foam portions adhering to the top and bottom surfaces thereof, the support element is arranged with its bottom surface over a first mold cavity of a mold. A cover is then sealingly fixed on the mold in such a way that a second mold cavity is defined between the cover and the support element. A first reaction mixture is introduced into the second mold cavity and reacts to form a first foam portion on the top surface of the support element. The cover with support element and first foam portion are then removed from the first mold cavity. Thereupon a second reaction mixture is introduced into the first mold cavity which is then immediately sealingly closed again by the unit consisting of the cover and the support element with its first foam portion. The second reaction mixture reacts to fill the first mold cavity, forming the second foam portion which is mechanically firmly bonded to the bottom surface of the support element. The mold cover can then be removed from the mold, followed by removal of the finished component.
申请公布号 US5112542(A) 申请公布日期 1992.05.12
申请号 US19910652068 申请日期 1991.02.07
申请人 GRAMMER AG 发明人 BEER, JOHANN
分类号 B29C44/04;B29C44/12 主分类号 B29C44/04
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