Stand sleeve for a plastic container capable of withstanding internal pressure

Patent metadata

Field	Value
Publication number	US-11046481-B2
Application number	US-201916574329-A
Country	US
Kind code	B2
Filing date	Sep 18, 2019
Priority date	Mar 23, 2017
Publication date	Jun 29, 2021
Grant date	Jun 29, 2021

Abstract

A stand sleeve for an inner-pressure-resistant plastic container, wherein the stand sleeve includes a base part having a stand surface, and a jacket which is closed in the peripheral direction, the base part and the jacket being configured as a single molded piece, and the jacket being configured for a non-positive connection to an outer wall in proximity of the base of an inner-pressure-resistant plastic container.

First claim

The invention claimed is:

1. A stand sleeve for an inner-pressure-resistant plastic container, said stand sleeve comprising: a base part having a stand surface, and a jacket which is closed in the peripheral direction, the base part and the jacket being configured as a single moulded piece, and the jacket being configured for a non-positive connection to an outer wall in proximity of the base of an inner-pressure-resistant plastic container wherein the jacket comprises:
at least one stretch fold which extends essentially in an axial direction.

2. A stand sleeve according to claim 1 , wherein the single moulded piece is a stretch blow-moulded piece with lost-neck shaping.

3. A stand sleeve according to claim 1 , wherein the jacket comprises:
two or more stretch folds arranged at a same angular distance to one another.

4. A stand sleeve according to claim 3 , wherein the base part comprises:
a support region which extends inwards from the stand surface and which has at least one concentrically arranged support surface.

5. A stand sleeve according to claim 4 , wherein the base part comprises:
a roughly centrally arranged recess.

6. A stand sleeve according to claim 5 , formed of a material which consists of an orientated polymer composition.

7. A stand sleeve according to claim 6 , wherein the material consists of polymers whose main component, by more than 70% by weight, consists of at least one material from the group consisting of polyolefins, polypropylene (PP), high density polyethylene (HDPE), low density polyethylene (LDPE), of polyesters, polyethylene terephthalate (PET), polyethylene furanoate (PEF), polypropylene furanoate (PPF), polylactides (PLA), of styrene polymers, styrene acrylic nitrile (SAN), general purpose polystyrene (GPS), high impact polystyrene (HIPS), of their copolymers and of mixtures of the mentioned polymers.

8. A stand sleeve according to claim 6 , comprising:
transparent regions.

9. A stand sleeve according to claim 1 , wherein the base part comprises:
a support region which extends inwards from the stand surface and which has at least one concentrically arranged support surface.

10. A stand sleeve according to claim 1 , wherein the base part comprises:
a roughly centrally arranged recess.

11. A stand sleeve according to claim 1 , formed of a material which consists of an orientated polymer composition.

12. A stand sleeve according to claim 1 , comprising:
transparent regions.

13. An aerosol container comprising:
an inner-pressure-resistant plastic aerosol container, with a convexly outwardly projecting dome-shaped container base, and a stand sleeve for the inner-pressure-resistant plastic container, the stand sleeve including:
a base part having a stand surface, and a jacket which is closed in the peripheral direction, the base part and the jacket being configured as a single moulded piece, and the jacket being configured for a non-positive connection to an outer wall in proximity of the base of the inner-pressure-resistant plastic container, wherein the stand sleeve is non-positively connected to an outer wall of the plastic container in a proximity of the base, wherein the jacket of the stand sleeve, at least in an end section which is away from the base part, has an inner diameter which is smaller than an outer diameter of the plastic aerosol container in a region which is close to the base and which is envisaged for the non-positive connection, and wherein the inner diameter of the end section of the stand sleeve is 0.2 mm to 6 mm smaller than the outer diameter of the plastic aerosol container in the region which is close to the base, given a pressure-less state and at 20° C.

14. An aerosol container according to claim 13 ,
wherein the outer wall of the stand sleeve is supported by the support surface in the region of the dome-shaped container base.

15. An aerosol container according to claim 14 , wherein the outer wall which is supported by the support surface and the support surface essentially have a same curvature.

16. An aerosol container according to claim 15 , wherein the supported container base at its region which projects furthest has a distance (a) to a level stand surface (G) which is roughly 1.5 mm to roughly 5 mm.

17. An aerosol container according to claim 15 , wherein the supported container base at its region which projects the furthest has a distance (a) to a level stand surface (G) which is roughly 1.8 mm to roughly 2.6 mm.

Assignees

• Alpla Werke Alwin Lehner Gmbh & Co Kg

Inventors

• Siegl Robert

Classifications

• B29C49/08 Primary

  Biaxial stretching during blow-moulding · CPC title

• F16M13/005

  integral with the apparatus or articles to be supported · CPC title

• B65D83/38

  Details of the container body (pressure relief devices B65D83/70) · CPC title

• B65D23/001 Primary

  Supporting means fixed to the container · CPC title