Cast-in-place manhole liner apparatus and method

E - Fixed Constructions – 02 – D

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

25/70

E02D 29/12 (2006.01) B28B 7/26 (2006.01) E03F 5/02 (2006.01)

Patent

CA 1328731

ABSTRACT OF THE DISCLOSURE There are disclosed apparatus and methods for casting poured concrete liners in manholes or the like wherein a collection of sheet-metal, flanged, arcuate panels is provided which panels can be assembled in belts of gen- erally circular cross-section commencing from the bottom of the manhole to provide a complete form structure for casting a concrete liner with a mini- mum thickness of about three inches and including openings created by sectional cylindrical inserts, all of which can be assembled, then disassem- bled after the concrete liner has set. An extensive variety of panels to accomodate different shapes of manholes includes panels for forming right conical belts, for forming offset conical belts, and for forming wedge-shaped belts to make transitions between vertical and tilted sections of the man- hole. A key-panel for these various belts is provided to prevent capture of the panels by the poured concrete liners which includes a relatively narrow portion with vertical flanges fixed at an angle to one another which angle diverges toward the center of the form structure. The methods in- clude jacking the form structure after a part of the liner has been formed and poured to cause it to fit relative to the manhole and inlet pipes into the manhole, before pouring the remainder of the liner.

609931

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Cast-in-place manhole liner apparatus and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cast-in-place manhole liner apparatus and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cast-in-place manhole liner apparatus and method will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1250549

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.