LUVA DE TRANSICAO PARA USO EM CABINE DE REFRIGERADOR E PROCESSO DE SUA FIXACAO

摘要

A unitary transition sleeve for a double-wall structure such as a refrigerator cabinet used to pass tubing or the like through juxtaposed apertures formed therein. The sleeve includes a tubular body of relatively rigid material having a plurality of radially extending integral flanges formed at each end therof for sealing engagement with each of said walls. The sleeve is adapted to be rotationally secured to one of said walls by means of a plurality of radially exending integral locking tabs projecting from one end thereof. Each of the tabs have a camming face formed thereon to facilitate rotation during assembly. The sleeve includes a plurality of equi-angularly disposed and radially extending detents which positively locate the rotational position of the sleeve in the wall to which it is secured. The annular flanges are flared axially in the direction of the walls to which they engage such that a moisture tight seal is provided about both juxtaposed openings in the walls simultaneously with the mounting of the sleeve. Thumb tabs are also provided to facilitate rotation of the sleeve during the mounting operation. The tubing is sealed to the core of the sleeve by the use of gum or the like.