Ventilating pipe and manufacturing method thereof
The invention relates to a ventilating pipe and a manufacturing method thereof. The ventilating pipe comprises a hollow outer pipe body. A polyurethane layer is arranged on the inner wall of the outer pipe body. The manufacturing method of the ventilating pipe comprises the following steps that (a),...
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| creator | GAN HAIFEI ZHANG BIN FANG JIAER CHEN HAILIN CHEN HUANKUN MA YI LIU WANTING CHEN ZHONGYUAN YI YONGGUANG LIU BAOJING HUA YANJUN LIANG YUANBO HUANG YIKE |
| description | The invention relates to a ventilating pipe and a manufacturing method thereof. The ventilating pipe comprises a hollow outer pipe body. A polyurethane layer is arranged on the inner wall of the outer pipe body. The manufacturing method of the ventilating pipe comprises the following steps that (a), the hollow outer pipe body and an inner pipe body are provided, the inner pipe body is inserted into the outer pipe body, and a filling space is formed between the inner wall of the outer pipe body and the outer wall of the inner pipe body; (b), polyurethane foam is sprayed into the filling space; and (c), the inner pipe body is taken out after the polyurethane foam is solidified. According to the ventilating pipe, asbestos which is applied in a traditional air pipe is replaced by the polyurethane, and thus better noise reduction and vibration reduction effects can be achieved; in addition, the ventilating pipe is simple in structure and low in manufacturing cost. The manufacturing method of the ventilating pipe is simple, convenient and easy to implement, low in cost, easy to popularize and free of pollution. |
| format | Patent |
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The ventilating pipe comprises a hollow outer pipe body. A polyurethane layer is arranged on the inner wall of the outer pipe body. The manufacturing method of the ventilating pipe comprises the following steps that (a), the hollow outer pipe body and an inner pipe body are provided, the inner pipe body is inserted into the outer pipe body, and a filling space is formed between the inner wall of the outer pipe body and the outer wall of the inner pipe body; (b), polyurethane foam is sprayed into the filling space; and (c), the inner pipe body is taken out after the polyurethane foam is solidified. According to the ventilating pipe, asbestos which is applied in a traditional air pipe is replaced by the polyurethane, and thus better noise reduction and vibration reduction effects can be achieved; in addition, the ventilating pipe is simple in structure and low in manufacturing cost. The manufacturing method of the ventilating pipe is simple, convenient and easy to implement, low in cost, easy to popularize and free of pollution.</description><language>eng</language><subject>BLASTING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; LIGHTING ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; PIPES ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151014&DB=EPODOC&CC=CN&NR=104976441A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151014&DB=EPODOC&CC=CN&NR=104976441A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAN HAIFEI</creatorcontrib><creatorcontrib>ZHANG BIN</creatorcontrib><creatorcontrib>FANG JIAER</creatorcontrib><creatorcontrib>CHEN HAILIN</creatorcontrib><creatorcontrib>CHEN HUANKUN</creatorcontrib><creatorcontrib>MA YI</creatorcontrib><creatorcontrib>LIU WANTING</creatorcontrib><creatorcontrib>CHEN ZHONGYUAN</creatorcontrib><creatorcontrib>YI YONGGUANG</creatorcontrib><creatorcontrib>LIU BAOJING</creatorcontrib><creatorcontrib>HUA YANJUN</creatorcontrib><creatorcontrib>LIANG YUANBO</creatorcontrib><creatorcontrib>HUANG YIKE</creatorcontrib><title>Ventilating pipe and manufacturing method thereof</title><description>The invention relates to a ventilating pipe and a manufacturing method thereof. The ventilating pipe comprises a hollow outer pipe body. A polyurethane layer is arranged on the inner wall of the outer pipe body. The manufacturing method of the ventilating pipe comprises the following steps that (a), the hollow outer pipe body and an inner pipe body are provided, the inner pipe body is inserted into the outer pipe body, and a filling space is formed between the inner wall of the outer pipe body and the outer wall of the inner pipe body; (b), polyurethane foam is sprayed into the filling space; and (c), the inner pipe body is taken out after the polyurethane foam is solidified. According to the ventilating pipe, asbestos which is applied in a traditional air pipe is replaced by the polyurethane, and thus better noise reduction and vibration reduction effects can be achieved; in addition, the ventilating pipe is simple in structure and low in manufacturing cost. 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The ventilating pipe comprises a hollow outer pipe body. A polyurethane layer is arranged on the inner wall of the outer pipe body. The manufacturing method of the ventilating pipe comprises the following steps that (a), the hollow outer pipe body and an inner pipe body are provided, the inner pipe body is inserted into the outer pipe body, and a filling space is formed between the inner wall of the outer pipe body and the outer wall of the inner pipe body; (b), polyurethane foam is sprayed into the filling space; and (c), the inner pipe body is taken out after the polyurethane foam is solidified. According to the ventilating pipe, asbestos which is applied in a traditional air pipe is replaced by the polyurethane, and thus better noise reduction and vibration reduction effects can be achieved; in addition, the ventilating pipe is simple in structure and low in manufacturing cost. The manufacturing method of the ventilating pipe is simple, convenient and easy to implement, low in cost, easy to popularize and free of pollution.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
| title | Ventilating pipe and manufacturing method thereof |
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