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Underground Structures, Protecting, Testing And Restoring Foundations
(AREA)
Abstract
Tapa de registro, caracterizada esencialmente por el hecho de que está formada por un cuerpo a modo de cazoleta, dotado de una valona diametral saliente al exterior que actua de tope contra la cara externa de la abertura en la que se aplica la tapa, la cual está dotada a la vez de una serie de pestañas formando cuerpo con la misma cazoleta, dispuestas elásticamente, cuya superficie exterior forma, por lo menos, un diente situado frente a la valona, destinado a apoyarse contra la cara interna de la abertura, cuyo borde queda situado entre ésta y el diente de cada pestaña.
ES1970165219U1970-12-301970-12-30Tapa de registro.
ExpiredES165219Y
(es)
Valvola tubolare od altro corpo avente una flangia estendentesi verso l esterno impegnabile da un anello di connessione filettato internamente flangiato verso l interno