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    • 89. 发明专利
    • NO163087C
    • 1990-04-04
    • NO843358
    • 1984-08-22
    • HENNECKE GMBH MASCHF
    • PROKSA FERDINANDSULZBACH HANS-MICHAELRAFFEL REINERALTHAUSEN FERDINAND
    • B29B7/74B29C44/42B29C45/16B29C45/22
    • The invention relates to a nozzle for mixing at least two flowable (and in particular foam-forming) reaction components comprising a housing; component supply pipes leading into the housing; a housing bore arranged in the housing having a coaxial outlet channel in its end face; at least one needle casing arranged coaxially in the housing bore; an injection needle guided coaxially in the needle casing; a first chamber arranged between the wall of the housing bore and the needle casing with one of the component supply pipes opening into said first chamber; a second chamber arranged between the needle casing and the injection needle, with another component supply pipe opening into said second chamber; wherein in the closed state, said injection needle forms a tight fit with the internal end face of the needle casing, and the external end face of said needle casing forms a tight fit with the internal end face of the housing bore; and wherein in the open state, said injection needle frees a coaxial nozzle opening of the needle casing and an opening is formed between the external end face of the needle casing and the internal end face of housing bore.
    • 90. 发明专利
    • NO163087B
    • 1989-12-27
    • NO843358
    • 1984-08-22
    • HENNECKE GMBH MASCHF
    • PROKSA FERDINANDSULZBACH HANS-MICHAELRAFFEL REINERALTHAUSEN FERDINAND
    • B29B7/74B29C44/42B29C45/16B29C45/22
    • The invention relates to a nozzle for mixing at least two flowable (and in particular foam-forming) reaction components comprising a housing; component supply pipes leading into the housing; a housing bore arranged in the housing having a coaxial outlet channel in its end face; at least one needle casing arranged coaxially in the housing bore; an injection needle guided coaxially in the needle casing; a first chamber arranged between the wall of the housing bore and the needle casing with one of the component supply pipes opening into said first chamber; a second chamber arranged between the needle casing and the injection needle, with another component supply pipe opening into said second chamber; wherein in the closed state, said injection needle forms a tight fit with the internal end face of the needle casing, and the external end face of said needle casing forms a tight fit with the internal end face of the housing bore; and wherein in the open state, said injection needle frees a coaxial nozzle opening of the needle casing and an opening is formed between the external end face of the needle casing and the internal end face of housing bore.