Tube servicing device

Claim 1

A tube servicing device which comprises a frame having a pair of oppositely disposed resiliently flexible legs and a pair of apertures defining an opening to accommodate the lengthwise captive extension between and through said legs of a flexible tube to be serviced, a pair of rollers each connected to a corresponding leg of said frame for rotation relative thereto, said rollerS being disposed to pinch the tube when said legs are pushed together and for movement with the frame in pinching rolling contact engagement with the tube to expel by squeegee action material within the tube over the length traversed, guide means on said frame operable to constrain said legs for movement together along a predetermined path and with said rollers held substantially parallel to each other, and catch means on said frame operable to engage the end of one of said legs to selectively retain said legs in a pushed together configuration, said guide means including brackets which support said rollers and have open-ended slots, the slots of the brackets supporting one roller being disposed to engage the opposing roller structure to constrain the movement of said legs when same are pushed together.