| 摘要 |
<p>A resin tube-like container (1) and a preform (11) thereof, the resin tube-like container (1) comprising a bottomed drum part (3) blow-formed by withdrawal in thin wall thickness continuously to a mouth part (2), wherein the connected portion of the drum part (3) to the mouth part (2) is formed at a shoulder part (5), and the drum part as well as a bottom face (4) are formed in a convergent flat wedge shape; the preform (11) thereof comprising a bottomed drum part (13) integrally formed continuously with the mouth part (12), wherein the portion of the drum part (13) continued to the mouth part (12) is formed in an extended edge (15) of concentric circle and the peripheral wall of the drum part is formed thicker in wall thickness than the mouth part (12), the drum part (13) is formed in a flat wedge of elliptic or flat oval shape in cross section by convergedly inclining the drum part (13) to a bottom face (14) formed at a flat bottom thinner in wall thickness than the peripheral wall of the drum part, and the bottom face (14) is formed in a flat bottom thinner in wall thickness than the peripheral wall of the drum part, whereby even the resin tube-like container blow-formed by withdrawal can be used as a bottomed one without requiring a secondary working as in the case of a packaging container of normal configuration.</p> |
