Title:
CONSTRUCTION OF LARGE DIAMETER CONCRETE PNEUMATIC TUBE FOR TRANSPORTATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/098405
Kind Code:
A3
Abstract:
The invention includes a tube fabricated for use in a tubeway, which includes a plurality of tube segments. Each tube segment forms a portion of the tube. The tube segment is extruded in a form to allow for joining with other tube segments to form the tube. Prestressed metallic wires included within each tube segment. The plurality of tube segments are assembled to form the tube. End fittings are provided on each opposing end of the tube segments forming the tube to facilitate joining the tube to other tubes end-to-end. At least one post-tension cable is attached to opposing end fittings on the tube segment. The invention further includes an on-site method for fabricating and assembling the tubeway from the prestressed concrete tube segments.
Inventors:
HODGETTS CRAIG (US)
Application Number:
PCT/US2017/063200
Publication Date:
August 16, 2018
Filing Date:
November 24, 2017
Export Citation:
Assignee:
HODGETTS CRAIG (US)
International Classes:
F16L9/08; B28B21/52; B28B21/60; F16L9/22
Foreign References:
| US9267635B2 | 2016-02-23 | |||
| US20160230350A1 | 2016-08-11 |
Attorney, Agent or Firm:
DAWES, Daniel et al. (US)
Download PDF:
Previous Patent: METHODS, COMPOSITIONS, AND KITS FOR DETECTING A CELL IN A SAMPLE
Next Patent: MULTI-SENSORY LITERACY ACQUISITION METHOD AND SYSTEM
Next Patent: MULTI-SENSORY LITERACY ACQUISITION METHOD AND SYSTEM