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US 2017/0037624 A1Published application
Collapsible element pocket former
OwnerFelix Sorkininventor
Life of this patent
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Abstract
A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.
Claims20
A pocket former comprising:
- a pocket former body, the pocket former body having an outer surface;
- and
- a collapsible element, the collapsible element formed on the outer surface of the pocket former body, the collapsible element extending radially outwardly from the pocket former body.
A pocket former comprising:
- a pocket former body, the pocket former body having an outer surface, the pocket former body having a first portion and a second portion;
- and
- a collapsible element, the collapsible element flexibly coupled to the first portion and the second portion of the pocket former body.
A pocket former comprising:
- a pocket former body;
- a collapsible element;
- and
- a spring mechanism, the spring mechanism mechanically connected to the collapsible element and the pocket former body.
1 more element
A method of forming a post-tensioned concrete member comprising:
- positioning a post-tensioning tendon within a concrete form, the post-tensioning tendon including a tension member, fixed anchor, and a stressing end anchor;
- positioning a pocket former between the stressing end anchor and the concrete form, the pocket former including:
- a pocket former body, the pocket former body having an outer surface, the pocket former body having a tension member channel therethrough;
- and
- a collapsible element, the collapsible element formed on the outer surface of the pocket former body, the collapsible element extending radially outwardly from the pocket former body.
- inserting the tension member through the tension member channel of the pocket former body;
- placing concrete into the concrete form such that the post-tensioning tendon and the pocket former are encased in the concrete;
- applying force to the pocket former body;
- collapsing the collapsible element toward the pocket former body;
- and
- forming a cavity within the concrete by removing the pocket former body from the concrete.
8 more elements
Dependencies are inferred from the claim text.