Connecting device for an end of a rigid metallic pipe for conveying a fluid
AssigneeParker Hannifin RAK SA
InventorLaurent Fuser
Life of this patent
Estimating the term…
Abstract
A connecting device comprises a connecting part (2) surrounding and fixed to the end of a tube (1). Connecting part (2) includes a ring-shaped hollow (5) at its downstream end. A flange (8) on th downstream end of the tube is located in hollow (5) and retains the connecting part (2). A ring-shaped groove (9) is also arranged at the downstream end of robe (1). Groove 9 is intended to receive a leakproof gasket (10). Assembly of the connecting part (2) onto the end of the tube (1) is carried out by means of a rivet snap tool (12). The tool (12) includes a support (13), a truncated central protrusion (14), and a rib (15).
Claims21
A connecting device for one end of a rigid metallic tube intended to carry liquid, comprising a connecting part with a central bore which surrounds the end of the tube and which is fixed on the tube, said connecting part including a ring-shaped hollow opening toward the end of the tube and opening into the bore, inside of which is located a flange of the tube forming a ring-shaped projection on its outside surface holding the connecting part fixed to the tube, said connecting part also including a ring-shaped groove disposed at the end of the tube, said ring-shaped groove designed to receive a gasket, and one wall of which is constituted by a wall of the hollow opening in the connecting part, and wherein the wall of the connecting part defining the ring-shaped groove includes a radial lip toward the end of the tube intended to hold the gasket in the groove.
A connecting device for one end of a rigid metallic tube, the connecting device comprising:
- a cylindrical rigid metallic tube having an annular flange toward an end of the tube, and
- a connecting part with a central bore, said connecting part receiving the end of the tube within the central bore and being fixedly secured to the end of the tube, said connecting part including a ring-shaped hollow on an end of the connecting part which opens into the central bore, said tube flange being received within said ting-shaped hollow and engaging the portion of the connecting part defining said ring-shaped hollow, said tube flange and ring-shaped hollow also defining a ring-shaped groove at the end of the connecting part, and
- an O-shaped gasket disposed within said ring-shaped groove, said connecting part and said tube flange having complimentary structure comprising a radially-inward directed lip at the end of said connecting part which retains said gasket within said ring-shaped groove.
A connecting device for one end of a rigid metallic tube intended to carry liquid, comprising a connecting part with a central bore which surrounds the end of the tube and which is fixed on the tube, said connecting part including a ting-shaped hollow opening toward the end of the tube and opening into the bore, inside of which is located a flange of the tube forming a ring-shaped projection on its outside surface holding the connecting part fixed to the tube, said tube flange having an outside diameter which is in radial compression against the inside diameter of the portion of the connecting part forming said ring-shaped hollow to prevent rotation thereof, said connecting device also including a ring-shaped, groove, disposed at the end of the tube, said ring-shaped groove designed to receive a gasket, and one wall of which is constituted by a wall of the hollow opening in the connecting part, wherein said flange on said tube is formed by mechanically deforming said tube radially outward into engagement with the portion of said connecting part forming said ring-shaped hollow.
Dependencies are inferred from the claim text.