Method and apparatus for sealing cracks
First Claim
Patent Images
1. A portable dispensing device for dispensing a crack sealant, comprising:
- an outer housing;
a melting kettle for holding said crack sealant to be melted;
a burner assembly mounted below the melting kettle in an air gap between the outer housing and the melting kettle;
a control valve fluidly connected to the melting kettle to dispense melted crack sealant;
a handle assembly for manually moving said portable dispensing device; and
an agitator assembly for agitating crack sealant within said kettle, the agitator assembly having a control handle mounted to said handle assembly.
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Accused Products
Abstract
A portable dispensing device for dispensing a crack sealant, comprises an outer housing, a melting kettle for holding crack sealant to be melted, a guide mechanism in the housing below the kettle for positioning a burner below the kettle, a burner assembly removably mounted in an air gap between the outer housing and the melting kettle using the guide mechanism, the removable burner assembly configured to direct a flame against a surface of the melting kettle, a control valve fluidly connected to the melting kettle to dispense melted crack sealant, and a handle assembly for manually moving the portable dispensing device.
17 Citations
19 Claims
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1. A portable dispensing device for dispensing a crack sealant, comprising:
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an outer housing; a melting kettle for holding said crack sealant to be melted; a burner assembly mounted below the melting kettle in an air gap between the outer housing and the melting kettle; a control valve fluidly connected to the melting kettle to dispense melted crack sealant; a handle assembly for manually moving said portable dispensing device; and an agitator assembly for agitating crack sealant within said kettle, the agitator assembly having a control handle mounted to said handle assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for dispensing a crack sealant, comprising:
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inserting sealant in a melting kettle within a housing of a dispenser, said melting kettle positioned above a burner assembly; inserting a burner assembly through an opening in said dispenser housing; igniting said flame at said burner by operation of an ignition control device outside said housing; manually moving said portable dispensing device using a handle assembly; agitating sealant within said melting kettle by operating an agitator handle mounted to said handle assembly; and depositing molten sealant into a crack by manually moving said dispenser along said crack. - View Dependent Claims (15, 16, 17, 18)
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19. A portable dispensing device for dispensing a crack sealant, comprising:
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an outer housing; a melting kettle for holding said crack sealant to be melted; a burner assembly mounted in said housing below said melting kettle using said guide mechanism, the removable burner assembly configured to direct a flame against a surface of the melting kettle; and a control valve fluidly connected to the melting kettle to dispense melted crack sealant a handle assembly for manually moving said portable dispensing device; and an agitator assembly for agitating crack sealant within said kettle, the agitator assembly having a control handle mounted to said handle assembly.
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Specification