Synthetic resin-made tubular container

A synthetic resin made tube container comprising:

• a tube member (1) having a trunk portion (3), and a wide-mouthed neck portion (4) extending upwardly from the trunk portion (3);
• a vertical cylinder (43) extending upwardly from the neck portion (4), and having a top wall (5) with a discharge port (6), said top wall closing a top face of the vertical cylinder (43);
• and
• a cover plate (9) which is connected to the neck portion by a hinge to the neck portion (4) and having a plug (11) for closing the discharge port (6), said plug depending from a lower side of the cover plate (9), wherein said vertical cylinder (43) has a lower part which is jointed to said neck portion (4) by fixing or merging, while a separation part (44) for departing an upper part of the vertical cylinder (43) is formed at a joint zone through which the neck portion (4) and the lower part of the vertical cylinder (43) are connected and a flexible, belt (45) for tearing the separation part (44) is provided to the vertical cylinder (43), the belt is integrally merged into a part of the vertical cylinder (43) above the separation part (44) to form a common wall (46) which is held by the belt and the vertical cylinder in common, with a rest of the belt (45) protruding from the common wall (46) and encircling the vertical cylinder (43) except the common wall (46).