Patent · US Active

Shingle sealing arrangements

US11391046B2 · kind B2 · utility

1Cited by
124References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 2020
Grant dateJul 19, 2022
Priority date
Expiry dateDec 23, 2040

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04D1/36
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An exemplary shingle includes at least one coated shingle sheet defining a headlap portion and a tab portion each having opposed upper and lower surfaces. A first line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a first thermally activated adhesive material. A second line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a second thermally activated adhesive material having a minimum activation temperature less than a minimum activation temperature of the first thermally activated adhesive material.

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