Doors and methods of producing same
Номер патента: EP1618273A2
Опубликовано: 25-01-2006
Автор(ы): Daniel G. Templeton, David R. Redding, John E. Nemazi, Ronald C. Minke, Steven P. Kepler
Принадлежит: TT Technologies Inc
Опубликовано: 25-01-2006
Автор(ы): Daniel G. Templeton, David R. Redding, John E. Nemazi, Ronald C. Minke, Steven P. Kepler
Принадлежит: TT Technologies Inc
Реферат: One aspect of the present invention is directed to a door, and more specifically, to a door that includes a web and a rigid foamed core. In one embodiment, a door is disclosed which comprises a door shell having a generally planar construction with marginal edges and first and second door skins helping to define an interior door cavity, a web disposed within the interior door cavity, and a rigid foamed cementitious core disposed within the interior door cavity and cooperating with the web.
Forced entry resistance system for wooden doors and method for manufacturing doors with such system
Номер патента: US09482044B2. Автор: Lung Fai Wong. Владелец: Individual. Дата публикации: 2016-11-01.