FIELD: construction engineering; applicable in manufacture of pipes from platic mass. SUBSTANCE: method includes application to pipe plastic feed fitted tightly to mandrel of primer and composite firbrous material with subsequent heat treatment performed with plastic feed being mechanically fixed in closed space. EFFECT: increased reliability and strength of manufactured pipe. 1 dwg
Title | Year | Author | Number |
---|---|---|---|
ELBOW MAKING METHOD (VERSIONS) | 2001 |
|
RU2197675C2 |
METHOD OF ELBOW MANUFACTURE | 2001 |
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RU2191316C1 |
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Authors
Dates
2002-10-20—Published
2001-01-12—Filed