Invention Grant
- Patent Title: Method for making precast concrete meter pit
- Patent Title (中): 预制混凝土仪表坑的方法
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Application No.: US12288172Application Date: 2008-10-17
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Publication No.: US08282869B2Publication Date: 2012-10-09
- Inventor: Edward J. Anderson , Geoffery S. Parrington , Eugene J. Pelchat, Jr.
- Applicant: Edward J. Anderson , Geoffery S. Parrington , Eugene J. Pelchat, Jr.
- Applicant Address: US CO Henderson
- Assignee: Precast Concepts, LLC
- Current Assignee: Precast Concepts, LLC
- Current Assignee Address: US CO Henderson
- Agency: The Reilly Intellectual Property Law Firm, P.C.
- Agent Ellen Reilly; John E. Reilly
- Main IPC: B28B21/22
- IPC: B28B21/22 ; B28B21/24 ; B28B21/34 ; F16L9/08
Abstract:
A precast concrete meter pit consisting of a plurality of precast concrete hollow elongated cylindrical wall sections in end to end relation to one another is fabricated by utilizing a slip form packerhead apparatus in which the wall sections are formed with an annular slip ring when concrete is injected into the slip form apparatus.
Public/Granted literature
- US20090084793A1 Precast concrete meter pit and method and apparatus for making same Public/Granted day:2009-04-02
Information query
