Container with molded bag on valve assembly

Patent metadata

Field	Value
Publication number	US-10046889-B2
Application number	US-201615084926-A
Country	US
Kind code	B2
Filing date	Mar 30, 2016
Priority date	Mar 30, 2016
Publication date	Aug 14, 2018
Grant date	Aug 14, 2018

Abstract

The present disclosure provides a container and a process for producing the container. In an embodiment, the process includes placing a sleeve bag on valve assembly (SBoV) in a blow mold apparatus. The blow mold apparatus has two opposing and movable molds. The SBoV has a valve seat. The process includes extending a parison of flowable polymeric material around the SBoV and between the opposing molds. The process includes moving the opposing molds to a closed position and pressing an upstream portion of the parison against the valve seat. The process includes blow molding a downstream portion of the parison into a container-shape within the closed mold. The process includes forming a container with the valve seat melt bonded to a neck portion of the container.

First claim

The invention claimed is:

1. A process comprising:
placing a sleeve bag on valve assembly (SBoV) in a blow mold apparatus having two opposing and movable molds, the SBoV comprising a valve seat;
extending a parison of flowable polymeric material around the SBoV and between the opposing molds;
moving the opposing molds to a closed position;
pressing an upstream portion of the parison against the valve seat;
blow molding a downstream portion of the parison into a container-shape within the closed mold; and
forming a container upon solidification of the flowable polymeric material, with the valve seat melt bonded to a neck portion of the container.

2. The process of claim 1 comprising pausing the extending during the pressing.

3. The process of claim 1 wherein the valve seat comprises a lip portion, the process comprising overmolding flowable polymeric material onto the lip portion.

4. The process of claim 1 wherein the SBoV comprises a valve, the process comprising, filling, through the valve, the SBoV with a fluid composition after the forming.

5. A process comprising:
placing a sleeve bag on valve assembly (SBoV) in an injection mold apparatus having two opposing and movable molds, the SBoV comprising a valve seat;
moving the opposing molds to a closed position, the two opposing molds defining a flowpath in the closed position, and a portion of the valve seat is located in the flowpath;
injecting flowable polymeric material into the flowpath;
overmolding a portion of the valve seat with the injected flowable polymeric material; and
forming a container part upon solidification of the flowable polymeric material, wherein the valve seat is melt bonded to the container part.

Assignees

• Dow Global Technologies Llc

Inventors

• Schulz Peter J
• Black Marc S
• Turpin Matthew J
• Bonekamp Jeffrey E
• Hogan Todd A

Classifications

• B29C45/14

  incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles {(B29C45/1671 takes precedence)} · CPC title

• B65D47/2018 Primary

  comprising a valve or like element which is opened or closed by deformation of the container or closure · CPC title

• B65D83/62

  by membranes, bags or the like · CPC title

• B65D25/14

  Linings or internal coatings (of containers made by folding or erecting blanks made of paper B65D5/56 {; linings for domestic water storage heaters F24H1/183}) · CPC title

• B65B3/022

  Making containers by moulding of a thermoplastic material · CPC title