초록 ▼

A fuel tank made of a plastic material and fitted with at least one fuel accessory attached to an inside surface of a wall thereof, wherein the fuel accessory is attached to a predetermined site at the inside surface by fusion welding. Further there is disclosed a fuel accessory for attaching to a s

A fuel tank made of a plastic material and fitted with at least one fuel accessory attached to an inside surface of a wall thereof, wherein the fuel accessory is attached to a predetermined site at the inside surface by fusion welding. Further there is disclosed a fuel accessory for attaching to a site at an inside wall portion of a plastic material fuel tank, comprising a housing formed with an engaging surface attachable to the site. The engaging surface is fitted with a fusion melting element for fusion welding the fuel accessory to the fuel tank.

대표청구항 ▼

The invention claimed is: 1. A fuel tank made of a plastic material, the fuel tank comprising: at least one fuel accessory attached to an inside surface of a wall of the fuel tank, said fuel accessory being attached to a predetermined site at said inside surface by fusion welding, wherein one of th

The invention claimed is: 1. A fuel tank made of a plastic material, the fuel tank comprising: at least one fuel accessory attached to an inside surface of a wall of the fuel tank, said fuel accessory being attached to a predetermined site at said inside surface by fusion welding, wherein one of the fuel accessory and the predetermined site at the inside surface of the fuel tank is pre-fitted with a fusion melting element, and wherein said fusion melting element is adapted to receive an inductive current for generating a magnetic field for attracting and engaging the fuel accessory to the site within the fuel tank by a magnetizable member fitted within one of the fuel accessory and the site at the fuel tank. 2. A fuel tank according to claim 1, wherein the fusion melting element is a filament. 3. A fuel tank according to claim 1, wherein the fusion melting element is a conductive sheet material. 4. A fuel tank according to claim 1, wherein the fusion melting element is integrated at a top portion of a housing of the fuel accessory. 5. A fuel tank according to claim 1, wherein the fusion melting element is in the form of an insert integrated at the site of the fuel tank. 6. A fuel tank according to claim 1, wherein the fusion melting element is activated by an electric current applied thereto through conductive wires extending from the fusion melting element. 7. A fuel tank according to claim 1, wherein the fusion melting element is activated by an electric current applied thereto via induction. 8. A fuel tank according to claim 1, wherein one of the fuel accessory and the site at the fuel tank are fitted with a magnetizable member, whereby during the fusion welding process the fuel accessory is attracted to the site at the fuel tank by a magnetic force. 9. A fuel tank according to claim 1, wherein the fusion melting element is activated by an electric current applied thereto through conductive elements engageable by corresponding current sockets of a fuel accessory applicator. 10. A fuel tank according to claim 1, wherein the fuel accessory is introduced to the site of the fuel tank and is supportably retained during the fusion welding process by fuel accessory applicator. 11. A fuel tank according to claim 10, wherein the fuel accessory applicator is in the form of a manipulator arm insertable into an interior space of the fuel tank through an opening formed in the tank. 12. A fuel tank according to claim 1, wherein the fuel accessory is a valve. 13. A fuel accessory for attaching to a site at an inside wall portion of a plastic material fuel tank, the fuel accessory comprising: a housing formed with an engaging surface attachable to said site said engaging surface being fitted with a fusion melting element for fusion welding the fuel accessory to the fuel tank, wherein said fusion melting element is adapted to receive an inductive current for generating a magnetic field for attracting and engaging the fuel accessory to the site within the fuel tank by a magnetizable member fitted within one of the fuel accessory and the site at the fuel tank. 14. A fuel accessory according to claim 13, wherein the engaging surface has a shape corresponding with that of the wall portion at the site, for flush engagement therewith. 15. A fuel accessory according to claim 13, wherein the fusion melting element engaging is embedded in a groove formed at the engaging surface of the accessory's housing. 16. A fuel accessory according to claim 15, wherein the fusion melting element is a coiled filament. 17. A fuel accessory according to claim 15, wherein the fusion melting element is an undulating filament. 18. A fuel accessory according to claim 15, wherein the fusion melting element is in the form of a sheet of material. 19. A fuel accessory according to claim 13, wherein the fusion melting element is activated by an electric current applied thereto through conductive wires extending from the fusion melting element. 20. A fuel accessory according to claim 19, wherein the conductive wires are easily detachable from the fuel accessory. 21. A fuel accessory according to claim 13, wherein the fusion melting element is fitted with an electric socket engageable with an applicator. 22. A fuel accessory according to claim 13, wherein the housing is fitted with a magnetizable member for attraction to the site at the fuel tank during the fusion welding process. 23. A fuel accessory according to claim 13, being a valve.