Patent · US Active

Process of manufacturing thickened angle ring

US11511508B2 · kind B2 · utility

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0References

1Claims

0Family size

Assignee

LIAONING XINGQI ELECTRIC MATERIAL LIMITED LIABILITY COMPANY · CN

Inventors

Dongyang Wu · Liaoyang City, CN
Dandan Li · New York, US
Shangyuan Huo · Liaoyang City, CN
Jin Dai · Beijing, CN
Liang Shi · San Diego, US

Key dates

Filing date	Dec 29, 2020
Grant date	Nov 29, 2022
Priority date	—
Expiry date	Jul 1, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B2597/00
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Disclosed is a process of manufacturing a thickened angle ring. The process includes the steps of: soaking wet paper into deionized water for 1 hour; beating bonding surfaces of the two pieces of wet paper into fuzzed and rough surfaces; placing a heat resisting polyester film and a nylon net on a mold, and placing one fuzzed wet paper on the mold in contact with the nylon net on smooth side thereof; placing the other wet paper in contact with the fuzzed surface of the previous wet paper on fuzzed side thereof, and beating until the wet paper fits the mold; placing a further heat resisting polyester film and a further nylon net on the two pieces of wet paper for pressing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.