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    • 3. 发明申请
    • A METHOD AND AN APPARATUS FOR MANUFACTURING OBLONG ARTICLES OF POLYURETHANE INTEGRAL FOAM OR A CORRESPONDING MATERIAL
    • 聚氨酯整体泡沫或相关材料的制品的制造方法和装置
    • WO1984000920A1
    • 1984-03-15
    • PCT/DK1983000081
    • 1983-08-31
    • BRONNUM, ThomasKIILERICH, Ole
    • B29D27/04
    • B29C44/12B29C44/302
    • For the production of oblong articles of polyurethane integral foam, which have normally been produced by moulding in closed and pressure resistant moulds, is used a moulding apparatus of the type comprising a pair of endless mould part chains (2 and 4), which are held in engagement with each other along a common forward run (8) for forming a continuously forwardly moved moulding chamber (26), into which the moulding material is injected through an injector head (24). The length of the moulding chamber is sufficient to condition the material to set before it (22) is continuously delivered from the outlet end of the moulding chamber, such that at this end the material forms a rigid plug, which is able to resist the necessary overpressure in the interior of the moulding chamber.
    • 对于通常在密闭耐压模具中成型制造的聚氨酯整体泡沫塑料制造方法,使用的是包括一对环形模具部件链(2和4)的模制装置,该模制装置被保持 沿着共同的前进运行(8)彼此接合,用于形成连续向前移动的模制室(26),模制材料通过注射头(24)注入到模制室中。 成型室的长度足以在材料(22)从模制室的出口端连续输送之前调节材料的设置,使得在该端部,材料形成刚性的塞子,其能够抵抗必要的 在室内的过压。