| 摘要 |
<p>SPOUT FOR OPENING DEVICES OF SEALED PACKAGES OF POURABLE FOOD PRODUCTS. THERE IS DESCRIBED A SPOUT (4) FOR OPENING DEVICES (3) OF SEALED PACKAGGES(L) OF 5 POURABLE FOOD PRODUCTS. THE SPOUT (4) HAS AN ANNULAR FLANGE (7) FIXABLE TO A RESPECTIVE PACKAGE (1), AND A TUBULAR NECK PORTION (8) PROJECTING FROM THE FLANGE (7) AND DEFINING, WITH THE FLANGE, A THROUGH OPENING (6) THROUGH WHICH TO POUR THE FOOD PRODUCT; AND THE SPOUT (4) ALSO HAS, AT LEAST AT A SECTION CROSSWISE TO THE AXIS (A) OF THE OPENING (6), A CONSTRICTION (13) CONSTRICTING FLOW OF THE POURABLE FOOD PRODUCT. 10 MOST ILLUSTRATIVE DRAWING IS</p> |
