Asphalt repair apparatus with dry, radiant heat source

E - Fixed Constructions – 01 – C

Patent

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Details

E01C 19/18 (2006.01) E01C 19/08 (2006.01) E01C 19/20 (2006.01) E01C 23/06 (2006.01)

Patent

CA 2342189

The apparatus (101) comprises: a body (103) adapted to be mounted on a portable base. The body (103) has a hopper (105) with a V-shaped bottom wall (107). A paddle shaft (131), a screw conveyor (127) and dry heat retort tubes (133, 135) mix and heat the asphalt mix materials to a workable state. Burner elements (137, 139) communicate with exhaust stacks (141, 143) via a U-shaped retort tube comprising legs (145, 147), and curved loop portion (149). An electric emersion heater (151) is included when utilizing a heat transfer fluid to heat the asphalt mix materials.

L'invention concerne un appareil (101) comprenant un corps (103) conçu pour montage sur un support mobile. Le corps (103) est équipé d'une trémie (105) dont le fond (107) est en V. Un arbre à palettes (131), un transporteur à vis (127) et des tubes à cornues à chaleur sèche (133, 135) permettent de mélanger et de chauffer les matériaux du mélange bitumineux de façon à les rendre malléables. Des brûleurs (137, 139) communiquent avec des cheminées d'échappement (141, 143) à travers un tube à cornues en U muni de pattes (145, 147) et une partie en boucle incurvée (149). L'invention concerne aussi un corps de chauffe électrique d'émersion (151) lorsqu'on utilise un fluide de transfert thermique pour chauffer les matériaux du mélange bitumineux.

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