초록

A plastic adapter for fuel tanks. The adapter includes crimping lugs for fixing the adapter to a pipe or an opening in the tank.

대표청구항 ▼

The invention claimed is: 1. A plastic adapter for a fuel tank, comprising: crimping lugs to fix the adapter to a pipe or opening in the tank, the lugs forming part of a metal insert overmolded with at least part of the adapter, wherein the lugs are flexible enough to deform and catch on the pipe o

The invention claimed is: 1. A plastic adapter for a fuel tank, comprising: crimping lugs to fix the adapter to a pipe or opening in the tank, the lugs forming part of a metal insert overmolded with at least part of the adapter, wherein the lugs are flexible enough to deform and catch on the pipe or opening in the tank; wherein the lugs comprise bent portions of the insert which protrude in a radial direction from the insert. 2. The adapter according to claim 1, comprising at least 3 lugs configured to be fixed at regular intervals to the periphery of the pipe or of the opening. 3. The adapter according to claim 1, constituting a filling adapter and comprising a filling head and a nozzle guide, the insert being overmolded by the nozzle guide. 4. The adapter according to claim 1, wherein the insert comprises orifices that are filled with some of the plastic of which the adapter is made. 5. A filling pipe onto which an adapter according to claim 1 is crimped. 6. The filling pipe according to claim 5, wherein the adapter is crimped onto an end of the pipe with an annular surface in contact with a corresponding annular surface on the adapter. 7. The filler pipe according to claim 6, wherein axial movement of the pipe and of the adapter is limited by a compression washer inserted between the corresponding surfaces. 8. The filler pipe according to claim 7, wherein a seal is inserted between the adapter and the pipe or the periphery of the opening, and the seal is located in a channel. 9. The adapter according to claim 1, wherein the lugs extend radially inward toward an interior of the insert. 10. The adapter according to claim 1, wherein the lugs protude into respective holes disposed in the insert. 11. The adapter according to claim 10, wherein the lugs are offset from both axial ends of the insert. 12. The adapter according to claim 1, wherein the lugs form an acute angle with a wall of the insert.