Apparatus and method for applying puncture sealant material...

Details Apparatus and method for applying puncture sealant material... Apparatus and method for applying puncture sealant material...

B - Operations, Transporting

29

D

32/26, 117/69

B29D 30/06 (2006.01) B29C 73/16 (2006.01) B29C 73/20 (2006.01)

Patent

CA 1082998

Abstract An uninflated unmounted tire is supported in a frame of the apparatus for engagement with a sealant applicator head that contacts the interior tire liner after a bead spreading device on the frame spreads apart the tire beads, and an elevator member on the frame raises the tire. The applicator head has a tire engaging profile corresponding to that of the tire and an elongated opening from which a highly viscous, sticky sealant is discharged onto the tire liner under the tread in a layer of pre- determined cross section as the tire is rotated on the frame past the applicator head. A complete coating of sealant is applied during one revolution of the tire, with the sealant having a butt joint, or an overlapping splice formed when the elevator member is lowered a predetermined amount by a drop- off mechanism as the tire completes one revolution of sealant application.

281713

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