Adhesive transfer hose having a barrier layer and method of use
US12031658B2 · kind B2 · utility
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28References
28Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 25, 2017 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Feb 16, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2011/047
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multi-layered hot melt adhesive transfer hose is provided. The transfer hose has a barrier layer that prevents or minimizes the ingress of oxygen and other gases into a conduit of the hose. The transfer hose has at least one structural layer overlaying an exterior surface of the barrier layer to help the hose withstand a high fluid pressure. The barrier layer prevents the hot melt adhesive being transported in the hose from discoloring and charring when the adhesive is heated from about 250° F. up to and including 450° F. for an extended period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.