A pouring head overcoat for PU material

The utility model provides a pouring head overcoat for PU material, has hollow circular cylinder form lateral wall, is provided with the sandwich structure who is used for the cooling water circulation in the lateral wall, the lateral wall includes and inner wall and outer wall is formed with the in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WENG CHENGWU, DAI YUANHAI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model provides a pouring head overcoat for PU material, has hollow circular cylinder form lateral wall, is provided with the sandwich structure who is used for the cooling water circulation in the lateral wall, the lateral wall includes and inner wall and outer wall is formed with the intermediate layer space between inner wall and the outer wall. In the intermediate layer space, two sealing spacing strips set up between inner wall and outer wall, follow the overcoat top respectively and extend to the bottom of overcoat, are connected with inner wall, outer wall and overcoat top seal to sealed laminating department keeps the interval with the outer wall with the inner wall of overcoat bottom respectively, forms the hole, from this in overcoat lateral wall sandwich structure formation by two relative intermediate layer parts that are used for the cooling water to circulate of hole intercommunication, two intermediate layer part tops still are provided with the cooling water access & exit respective