METHOD FOR PRODUCING ANNULAR MOLDINGS SUBJECTED TO TENSILE OR PRESSURE LOADING FROM PLASTIC AND FAUCET FOR FLUID UNDER PRESSURE
The invention relates to methods for producing annular moldings subjected to tensile or pressure loading from plastic by using an injection mold having a main cavity, at least one extra cavity is incorporated in the injection mold. The at least one extra cavity is joined to the main cavity by a conn...
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| creator | BUSCH, DIETER FRISTER, MARK |
| description | The invention relates to methods for producing annular moldings subjected to tensile or pressure loading from plastic by using an injection mold having a main cavity, at least one extra cavity is incorporated in the injection mold. The at least one extra cavity is joined to the main cavity by a connecting duct. The main cavity is filled with plastic melt so a flow line is formed in the vicinity of the connecting duct between the at least one extra cavity and the main cavity, wherein the cross section of the connecting duct is dimensioned such that, during the filling of the main cavity, no plastic melt flows into the extra cavity. The filling pressure is increased until plastic melt flows into the extra cavity; flow taking place through the flow line produced during the filling of the main cavity. Subsequently, the injection mold is opened and the molding removed. |
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The at least one extra cavity is joined to the main cavity by a connecting duct. The main cavity is filled with plastic melt so a flow line is formed in the vicinity of the connecting duct between the at least one extra cavity and the main cavity, wherein the cross section of the connecting duct is dimensioned such that, during the filling of the main cavity, no plastic melt flows into the extra cavity. The filling pressure is increased until plastic melt flows into the extra cavity; flow taking place through the flow line produced during the filling of the main cavity. 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The at least one extra cavity is joined to the main cavity by a connecting duct. The main cavity is filled with plastic melt so a flow line is formed in the vicinity of the connecting duct between the at least one extra cavity and the main cavity, wherein the cross section of the connecting duct is dimensioned such that, during the filling of the main cavity, no plastic melt flows into the extra cavity. The filling pressure is increased until plastic melt flows into the extra cavity; flow taking place through the flow line produced during the filling of the main cavity. Subsequently, the injection mold is opened and the molding removed.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLEKwjAURbs4iPoP7wccrFRc0-TFRtKkJO_NpUicRAt199eNRXB1ulw45yyLV4vUeAXaB-iCVyyNO4Fwjq0I0Hqr8o8QuT6jJFRAHghdNBZhVjBGDgjWiw8JOvgWOisiGZkzOSxYIs19bdkoYKfwJ66LxXW4TWnz3VUBGkk22zQ--jSNwyXd07PHrqyqY3mo6t3-D-QNy4M7nA</recordid><startdate>20160406</startdate><enddate>20160406</enddate><creator>BUSCH, DIETER</creator><creator>FRISTER, MARK</creator><scope>EVB</scope></search><sort><creationdate>20160406</creationdate><title>METHOD FOR PRODUCING ANNULAR MOLDINGS SUBJECTED TO TENSILE OR PRESSURE LOADING FROM PLASTIC AND FAUCET FOR FLUID UNDER PRESSURE</title><author>BUSCH, DIETER ; FRISTER, MARK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2558265B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2016</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>BUSCH, DIETER</creatorcontrib><creatorcontrib>FRISTER, MARK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BUSCH, DIETER</au><au>FRISTER, MARK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR PRODUCING ANNULAR MOLDINGS SUBJECTED TO TENSILE OR PRESSURE LOADING FROM PLASTIC AND FAUCET FOR FLUID UNDER PRESSURE</title><date>2016-04-06</date><risdate>2016</risdate><abstract>The invention relates to methods for producing annular moldings subjected to tensile or pressure loading from plastic by using an injection mold having a main cavity, at least one extra cavity is incorporated in the injection mold. The at least one extra cavity is joined to the main cavity by a connecting duct. The main cavity is filled with plastic melt so a flow line is formed in the vicinity of the connecting duct between the at least one extra cavity and the main cavity, wherein the cross section of the connecting duct is dimensioned such that, during the filling of the main cavity, no plastic melt flows into the extra cavity. The filling pressure is increased until plastic melt flows into the extra cavity; flow taking place through the flow line produced during the filling of the main cavity. Subsequently, the injection mold is opened and the molding removed.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | METHOD FOR PRODUCING ANNULAR MOLDINGS SUBJECTED TO TENSILE OR PRESSURE LOADING FROM PLASTIC AND FAUCET FOR FLUID UNDER PRESSURE |
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