Plug for closing any opening and method of manufacturing this plug
US5852854A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1996 |
| Grant date | Dec 29, 1998 |
| Priority date | — |
| Expiry date | Mar 20, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an obturating stopper plug as well as to a method of manufacture of this stopper plug. The stopper plug for obturating any opening (2) and comprising a bead of heat-fusible adhesive (7) deposited upon the said stopper plug is characterized in that the bead of heat-fusible adhesive (7) comprises: PA0 (a) an adhesive mixture, PA0 (b) a cross-linking agent, PA0 (c) an expansion agent decomposing at a temperature close to the cross-linking temperature of the adhesive mixture (a), PA0 (d) additives for working purposes. The invention is applicable to the obturation, for example, of an opening in a plate to be passed into a drying oven for paint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.