Modular screed box
AssigneeGraco Minnesota Inc.
InventorBarry W. Mattson
Life of this patent
Estimating the term…
Abstract
A screed box includes a screed bucket, a screed plate mount attached to the screed bucket, a screed plate slidably connected to the screed plate mount and a screed bar attached to a bottom of the screed bucket. The screed plate mount includes a sealing edge. The screed plate includes at least one screed flange. The screed bar includes a body and a sealing lip including at least one projection. The screed bar is slidable between an open position where the sealing lip engages the sealing edge and a closed position where the sealing lip is disengaged from the sealing edge, and the at least one projection engages the sealing edge when the screed bar is in the open position and when the screed bar is in a closed position.
Claims11
A screed box comprising:
- a screed bucket;
- a screed plate mount attached to the screed bucket, the screed plate mount including a sealing edge;
- a screed plate slidably connected to the screed plate mount, the screed plate including at least one screed flange;
- a screed bar attached to a bottom of the screed bucket, the screed bar comprising:
- a body;
- and
- a sealing lip including at least one projection;
- wherein the screed bar is slidable between an open position where the sealing lip engages the sealing edge and a closed position where the sealing lip is disengaged from the sealing edge;
- wherein the at least one projection engages the sealing edge when the screed bar is in the open position and when the screed bar is in a closed position;
- and
- wherein the sealing edge, the sealing lip, and the at least one projection define at least one opening when the screed bar is in the open position.
A mobile applicator comprising:
- a frame;
- a plurality of wheels rotatably connected to the frame;
- a kettle attached to the frame, the kettle holding a thermoplastic material;
- and
- a screed box positioned to receive the thermoplastic material from the kettle, the screed box comprising:
- a screed bucket;
- a screed plate mount attached to the screed bucket, the screed plate mount including a sealing edge;
- a screed plate slidably connected to the screed plate mount, the screed plate including at least one screed flange;
- a screed bar attached to a bottom of the screed bucket, the screed bar comprising:
- a body;
- and
- a sealing lip including at least one projection;
- wherein the screed bar is slidable between an open position where the sealing lip engages the sealing edge and a closed position where the sealing lip is disengaged from the sealing edge;
- wherein the at least one projection engages the sealing edge when the screed bar is in the open position and engages the sealing edge when the screed bar is in a closed position;
- and
- wherein the sealing edge, the sealing lip, and the at least one projection define at least one opening when the screed bar is in the open position.
Dependencies are inferred from the claim text.