Patent ID: 11913279
Assignee: ALPINE OVERHEAD DOORS, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A rolling door vacuum slat comprising a hollow elongate tubular member having first and second opposing ends and having an airtight cavity with a substantially uniform cross-sectional configuration along its length; means for evacuating air from said airtight cavity and for creating a vacuum within said cavity, and means for hermetically sealing said cavity after a predetermined level of vacuum has been created within said cavity to provide said slat with an R-value greater than 11 that does not require air evacuation maintenance more frequently than quarterly maintenance to maintain said R-value, said means for hermetically sealing said cavity comprising at least one cap for sealing at least one of said opposing ends, said at least one cap being joined to one of said first and second opposing ends of said elongate tubular member to form hermetic seals to maintain the slat airtight after a vacuum has been created within the slat.