Curb and gutter sled with pivoting mold assembly
First Claim
1. An apparatus for extruding a continuous curb comprising:
- a slipform sled;
a hopper coupled to said slipform sled;
wherein said hopper is adapted to receive a flowable paving material;
a pivoting mold coupled to said slipform sled;
wherein said pivoting mold is fluidly connected to said hopper;
wherein said pivoting mold has a first position and a second position;
wherein when said pivoting mold is in said first position, a curb of a first profile is extruded;
wherein when said pivoting mold is in said second position, a curb of a second profile is extruded;
wherein said pivoting mold is adapted to change from said first position to said second position when said slipform sled is in motion and flowable paving material is flowing from said hopper to said pivoting mold; and
wherein said pivoting mold pivots on an axis parallel to the direction of motion of said slipform sled.
1 Assignment
0 Petitions
Accused Products
Abstract
A slipform sled for paving street curbs and gutters has a hopper and a curb and gutter mold. A pivoting mold assembly having a standard curb elevation mold and a driveway curb elevation mold is mounted on the slipform sled. The pivoting mold assembly pivots on a shaft oriented parallel to the direction of motion of the slipform sled. Paving material is flowed into the hopper and is extruded through the standard curb mold or the driveway curb mold while the sled is moving providing a smooth uniform finish. Only the relatively small transition section between the standard curb and driveway curb needs hand finishing. The elevation of a vibrator in the hopper is changed to correspond to the elevation of the curb extruded.
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Citations
17 Claims
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1. An apparatus for extruding a continuous curb comprising:
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a slipform sled; a hopper coupled to said slipform sled; wherein said hopper is adapted to receive a flowable paving material; a pivoting mold coupled to said slipform sled; wherein said pivoting mold is fluidly connected to said hopper; wherein said pivoting mold has a first position and a second position; wherein when said pivoting mold is in said first position, a curb of a first profile is extruded; wherein when said pivoting mold is in said second position, a curb of a second profile is extruded; wherein said pivoting mold is adapted to change from said first position to said second position when said slipform sled is in motion and flowable paving material is flowing from said hopper to said pivoting mold; and wherein said pivoting mold pivots on an axis parallel to the direction of motion of said slipform sled. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for extruding a continuous curb comprising:
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a slipform sled; a hopper coupled to said slipform sled; wherein said hopper is adapted to receive a flowable paving material; means for forming a curb coupled to said slipform sled; wherein said means for forming a curb is fluidly connected to said hopper; wherein flowable paving material flows from said hopper into said means for forming a curb when said slipform sled is in motion; wherein said means for forming a curb has a first position and a second position; wherein when said means for forming a curb is in said first position, a curb of a first profile is extruded; wherein when said means for forming a curb is in said second position, a curb of a second profile is extruded; wherein said means for forming a curb is adapted to change between said first position and said second position when said slipform sled is in motion; a pivoting mold coupled to said slipform sled; a shaft supporting said pivoting mold and coupled to said slipform sled; wherein said pivoting mold rotates on said shaft; and wherein said shaft is oriented parallel to the direction of motion of said slipform sled. - View Dependent Claims (9, 10, 11, 12, 13)
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14. In an apparatus for forming an extruded curb consisting of a slipform sled and a hopper adapted to receive a flowable paving material, the improvement comprising:
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a pivoting mold coupled to said slipform sled; wherein said pivoting mold is fluidly coupled to said hopper; wherein said pivoting mold is adapted to form an extruded curb; wherein flowable paving material flows from said hopper into said pivoting mold when said slipform sled is in motion; wherein said pivoting mold has a first position and a second position; wherein when said pivoting mold is in said first position, a curb of a first profile is extruded; wherein when said pivoting mold is in said second position, a curb of a second profile is extruded; wherein said pivoting mold is adapted to change from said first position to said second position when said slipform sled is in motion; and wherein said pivoting mold is adapted to rotate on an axis parallel to the direction of motion of said slipform sled. - View Dependent Claims (15, 16, 17)
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Specification