Trim molding structure
US8534012B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2009 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | May 21, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F19/0477
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A trim molding structure that uses at least one magnet to attach to a metal frame such as a metal door frame and a metal window frame is presented. At least one magnetic element is affixed to a trim member of a trim molding structure. The magnetic element can be affixed to the trim member using various means such as an adhesive material that loses adhesiveness when its temperature exceeds approximately its temperature limit. When the temperature of the adhesive material exceeds approximately its temperature limit, the adhesive material loses adhesiveness and releases the trim molding structure from the metal frame. An intumescent material that expands when its temperature exceeds approximately its activation temperature can be attached between a trim member and a metal frame. In case of fire, the intumescent material expands and pushes the trim molding structure away from the metal frame when the temperature of the intumescent material exceeds approximately its activation temperature. In an alternative embodiment, the intumescent material can be replaced by a spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.