Dig tubes and fittings for tubulars
AssigneeVac Safe Solutions Ltd.
InventorsClint Scott Van Berkel, Chris Aron Wood, Ricardo Januario
Life of this patent
Estimating the term…
Abstract
A female fitting includes a tube having an end that includes an upset for receiving a male fitting, the upset having an outer circumference and an inwardly extending groove extending around the outer circumference for receiving a clamp or portion of a clamp and the upset having an end face and inner surface, the upset having an undercut between the end face and inner surface for receiving a flange of the male fitting. A male fitting includes a tube having an end part; and a transition between the tube and the end part, the transition comprising a flange extending radially outward from the tube and a radiused corner connecting the flange to the end part.
Claims16
A hydrovac vehicle or a flusher truck, comprising:
- a vacuum system mounted on the hydrovac vehicle or flusher truck;
- and
- a vacuum tube in fluid connection with the vacuum system;
- the vacuum tube further comprising a tube part comprising:
- a female fitting comprising an end that includes an upset for receiving a male fitting, the upset having an outer circumference and an inwardly extending groove extending around the outer circumference for receiving a clamp or portion of a clamp and the upset having an end face and inner surface, the upset having an undercut between the end face and inner surface for receiving a flange of the male fitting, and
- the tube part being made from high density polyethylene having a density in the range of 0.93 to 0.97 g/cm3.
A hydrovac vehicle or a flusher truck, comprising:
- a vacuum system mounted on the hydrovac vehicle or flusher truck;
- and
- a vacuum tube in fluid connection with the vacuum system;
- the vacuum tube further comprising a tube part comprising:
- a male fitting comprising:
- a fitting tube having an end part;
- and
- a transition between the fitting tube and the end part, the transition comprising a flange extending radially outward from the fitting tube and a radiused corner connecting the flange to the end part, and
- the tube part being made from high density polyethylene having a density in the range of 0.93 to 0.97 g/cm3.
A hydrovac vehicle or a flusher truck, comprising:
- a vacuum system mounted on the hydrovac vehicle or flusher truck;
- a vacuum tube in fluid connection with the vacuum system;
- and
- the vacuum tube further comprising:
- a first tube part having a male fitting,
- a second tube part having a female fitting,
- a clamp securing the female fitting to the male fitting, and
- in which one or both of the first tube part and the second tube part are made from high density polyethylene having a density in the range of 0.93 to 0.97 g/cm3.
Dependencies are inferred from the claim text.