Method of forming a container with a hanger device

By forming the external features of the suspension device within the plastic container, the problem of tail waste is solved, enabling efficient storage and distribution of the container, and improving its aesthetics and performance.

CN115702074BActive Publication Date: 2025-12-23DISCMA AG
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Patent Information

Application Number
CN202080102144.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-06-19
Publication Date
2025-12-23
Estimated Expiration
2040-06-19

AI Technical Summary

Technical Problem

In the prior art, preform or preform tail features of plastic containers are often regarded as waste and are difficult to convert into useful functions, affecting the aesthetics and performance of the containers.

Method used

The external features of the suspension device are formed in the container through blow molding, so that the tail is shaped into a suspension point or hook, and gravity is used to pull the contents of the container toward the opening to facilitate product dispensing.

Benefits of technology

It enables efficient storage and distribution of products in containers, reduces waste of tail materials, and enhances the functionality and aesthetics of containers.

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Abstract

The present application provides methods of producing containers (315, 415, 515, 720, 815, 915) having shaped tails (610, 910), including blow molding a precursor having a tail (105, 110, 205, 310, 410, 510, 715, 810, 910); and shaping the tail (105, 110, 205, 310, 410, 510, 715, 810, 910) to form a shaped tail (610, 910). Various types of blow molding can employ various types of precursors having tails (510). Injection blow molding can be used where a preform (105, 200, 305, 405, 505) having a tail (105, 110, 205, 310, 410, 510, 715, 810, 910) is optionally stretched longitudinally and inflated with a gas or liquid. Extrusion blow molding can be used where a parison (705) having a tail (105, 110, 205, 310, 410, 510, 715, 810, 910) is inflated. The tail (105, 110, 205, 310, 410, 510, 715, 810, 910) shaping device can be part of the blow molding process or can be employed after the container (315, 415, 515, 720, 815, 915) is produced from the precursor having a tail (105, 110, 205, 310, 410, 510, 715, 810, 910). The shaped tail (610, 910) can impart functionality to the container (315, 415, 515, 720, 815, 915), including shaping the tail (105, 110, 205, 310, 410, 510, 715, 810, 910) to be usable as a coupling point such as an attachment point, a hanging point, or a hook.
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