| 摘要 |
- Construction from elementary panels. - The set comprises: . a female section (A) defining, between two lateral areas (1) and an off-set central web (2), two grooves (4), . a male section (B) including: .. between two lateral areas (7) and a web (8), two bearing edges (9), .. and starting from the median longitudinal axis of the web, two flexible tongues (11) inclined into a "V" and, at the top, forming two rolled edges (12), . and a key section (C) comprising two "V"-shaped sides (16) articulated elastically from a bearing heel (17), two wings (18) which are bent back in the opposite direction, and two cylindrical mouldings (beads) (20) formed at the ends of the wings. - Application to the construction of cold rooms (chambers). <IMAGE>
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