Method for fastening an accesory in a plastic fuel tank
US8591798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2005 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | May 2, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2015/03493
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Method for stake-fastening an accessory (4) into a plastic fuel tank, whereby:—the accessory (4) is equipped with at least one orifice (5) which passes right through the accessory (4); —at least some of the plastic of which the wall of the tank (1) is made is melted; and—some of the molten plastic is forced through the orifice (5) of the accessory without becoming detached from the remainder of the molten plastic; —the protruding molten plastic is given an appropriate shape (8) to obtain a self-formed plastic rivet, and is left to solidify; the size and shape of the orifice (5) and/or of the solidified plastic (8) being such that the accessory (4) is mechanically fastened to the tank by at least some of the solidified plastic (8), the stake-fastening of the accessory (4) occurring at the time of manufacture of the tank (1) through the moulding of a split or at least two-part parison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.