Delaminatable container
AssigneeKyoraku Co., Ltd.
InventorShinsuke Taruno
Life of this patent
Estimating the term…
Abstract
A delaminatable container excellent in productivity is provided. According to an exemplary aspect, a delaminatable container, includes a container body having an outer shell and an inner bag, the inner bag delaminating from the outer shell and being shrunk with a decrease in contents, wherein the container body includes a bottom seal protrusion protruding from a bottom surface of a storage portion to store the contents, and the bottom seal protrusion is a sealing portion of, in blow molding using a cylindrical laminated parison provided with an outer layer constituting the outer shell and an inner layer constituting the inner bag, the laminated parison and is bent.
Claims11
A delaminatable container, comprising:
- a container body having an outer shell and an inner bag, the inner bag delaminating from the outer shell and being shrunk with a decrease in contents,
- wherein the container body includes a bottom seal protrusion protruding from a bottom surface of a storage portion to store the contents, and
- the bottom seal protrusion is a sealing portion of, in blow molding using a cylindrical laminated parison provided with an outer layer constituting the outer shell and an inner layer constituting the inner bag, the laminated parison and is bent
- the bottom seal protrusion includes, in order from a side of the bottom surface, a thinner portion and a thicker portion having a thickness greater than that of the thinner portion, and
- the thinner portion is provided across the whole of the bottom seal protrusion in longitudinal direction, and the bottom seal protrusion is bent in the thinner portion so that the whole of the thicker portion is bent toward one direction.
A delaminatable container, comprising:
- a container body provided with a storage portion to store contents and a mouth to deliver the contents from the storage portion, the storage portion and the mouth having an outer layer and an inner layer, the inner layer delaminating from the outer layer and being shrunk with a decrease in the contents,
- wherein the mouth includes an enlarged diameter portion provided at an end of the mouth and an inner layer support portion provided in a position closer to the storage portion than the enlarged diameter portion and inhibiting slip down of the inner layer
- the inner layer support portion is formed by providing a narrow part having a smaller diameter comparing with upper and lower parts nearby the inner layer support portion in the mouth.
Dependencies are inferred from the claim text.