An elevator door leaf formed by a front panel and a rear panel separated from each other but fitted into each other at their longitudinal edges by hemming or seaming, determining a space between the front panel and rear panel that is occupied by an expandable and hardenable foam that is injected under pressure into said space, such that it facilitates the attachment between at least two of the paired longitudinal edges created by fitting the front and rear panels together.
Hoja de puerta de ascensor y procedimiento para su fabricación
2018-10-17
Patent
Electronic Resource
Spanish
IPC: | B66B Aufzüge , ELEVATORS |
Método para la fabricación de un umbral para una puerta de ascensor y umbral
European Patent Office | 2019
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