Cap rest assembly for packerhead/vibration system concrete pipe machine
AssigneeConcrete Pipe Machinery Company
InventorRonald J. Walchek
Life of this patent
Estimating the term…
Abstract
A cap rest assembly to support a closed bore cap slightly above the upper periphery of the pipe jacket in a packerhead/vibration system concrete pipe machine, which has a slump filler attachment enabling making of a green pipe including the upper end in a continuous operation by overfilling the jacket slightly, the cap rest assembly supporting and enabling automatic release of the closed bore cap when the slump filler compression ring depresses the closed bore cap and overfills concrete into the top end of the pipe jacket to complete the green pipe.
Claims18
In vertically disposed pipe mold means comprising core means, cap means forming the upper end of a green pipe interiorally of said pipe mold means and means for moving said cap means downwardly with respect to said pipe mold means;
- releasable cap support means for supporting said cap means, said cap support means including releasing means thereon beneath said cap means for non-manually, automatically releasing support of said cap means in response to forced downward movement of said cap means against said cap support means, said releasing means and said cap support means being forced to a position other than beneath said cap means to thereby release support of said cap means by said releasable cap support means.
A packerhead/vibration system for making cementitious material pipe, comprising:
- vertical pipe mold means;
- vibratable core means movable upwardly through said pipe mold means;
- packerhead means above said core means and movable therewith as cementitious material is introduced into said core means to form the major portion of a pipe;
- overfill cementitious material accommodation means on said pipe mold means comprising closed bore cap means for forming substantially the entire outer peripheral end of a green pipe;
- means, surmounting said vertical pipe mold means, for moving said bore cap means downwardly with respect to said pipe mold means;
- and cap rest assembly means including means for supporting said cap means on said pipe mold means in an elevated attitude with respect to said pipe mold means during formation of the major portion of a pipe, said cap rest assembly means further including means for non-manually, automatically releasing said cap means in response to downward movement of said cap means against said cap supporting means.
In a packerhead/vibration system for making cementitious material pipe comprising vertical pipe mold means, vibratable core means movable upwardly through said pipe mold means, packerhead means above said core means and movable therewith as cementitious material is introduced into said core means to form the major portion of a pipe, closed bore cap means adjacent the upper periphery of said pipe mold means for forming substantially the end of a green pipe, and means for moving said cap means downwardly with respect to said pipe mold means;
- cap rest assembly means including means for supporting said cap means on said pipe mold means in an elevated attitude with respect to said pipe mold means said cap rest assembly means further including means for non-manually, automatically releasing said cap means in response to forced downward movement of said cap means against said cap supporting means.
In a vertically disposed pipe mold means comprising core means, cap means for forming the upper end of a green pipe interiorally of said pipe mold means and means for moving said cap means downwardly with respect to said pipe mold means;
- releasable cap support means for nonmanually, automatically releasing support of said cap means in response to forced downward movement of said cap means against said cap support means.
Dependencies are inferred from the claim text.