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US 11,440,293 B2Granted
Layered product
AssigneeDaikin Industries, Ltd.
InventorsMasahiko Yamada, Yutaka Nakata
Life of this patent
Estimating the term…
Abstract
The invention provides a layered product in which a glass cloth and a fluororesin-containing sheet are firmly bonded to each other even without providing a layer of polytetrafluoroethylene fine particles and without recrystallizing the fluororesin. The layered product includes, in a layered structure, a fluororesin-containing sheet, a hot-melt resin layer, and a glass cloth. The glass cloth is a fabric including a bulked glass yarn.
Claims3
A layered product comprising, in a layered structure:
- a fluororesin-containing sheet;
- a hot-melt resin layer;
- and
- a glass cloth,
- the glass cloth being a fabric including a bulked glass yarn,
- wherein the fluororesin-containing sheet is a polytetrafluoroethylene (PTFE) sheet having an average specific gravity of 2.175 or higher and a thickness of 1 to 4 mm, and
- wherein the bulked glass yarn includes intertwined glass filaments,
- the glass cloth includes, on a surface in contact with the hot-melt resin layer, a layer impregnated with the hot-melt resin between strands of the bulked glass yarn and between the glass filaments.
5 more elements
Dependencies are inferred from the claim text.