Invention Grant
- Patent Title: Precoated underground piping
- Patent Title (中): 预制地下管线
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Application No.: US3625259DApplication Date: 1969-10-15
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Publication No.: US3625259APublication Date: 1971-12-07
- Inventor: KENNEDY TED JR
- Applicant: TRENTON CORP THE
- Assignee: Trenton Corp The
- Current Assignee: Trenton Corp The
- Priority: US86661269 1969-10-15
- Main IPC: B29C63/04
- IPC: B29C63/04 ; F16L58/10 ; F16L9/14
Abstract:
A protective cover for an underground conduit having a raised weld. The cover consists of a relatively hard corrosion-resistant precoating applied over the weld, and an elongated protective strip wrapped around the conduit, with or without a primary coating under the strip.
Information query
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