Invention Grant
- Patent Title: Method of making an insulated tube
- Patent Title (中): 制造绝缘管的方法
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Application No.: US3717527DApplication Date: 1970-12-23
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Publication No.: US3717527APublication Date: 1973-02-20
- Inventor: BENTELER H
- Applicant: BENTELER WERKE AG
- Assignee: Benteler Werke Ag
- Current Assignee: Benteler Werke Ag
- Priority: DE1625936 1967-09-29
- Main IPC: F16L9/21
- IPC: F16L9/21 ; F16L58/08 ; F16L58/10 ; F16L59/02 ; F16L59/14 ; B32B5/18
Abstract:
A method of making an insulated tube. A steel tube is internally clad with corrosion-resistant material and externally jacketed with foamed plastic material having a volumetric weight which at most approaches 0.7 p/cm3. The resulting product is corrosionresistant as well as thermally insulated and sound insulated.
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