CA2851083 PLASTIC AEROSOL CONTAINER ASSEMBLY AND METHOD OF MANUFACTURE

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Application Number 2851083

Application Date

Publication Number 2851083

Publication Date 11.04.2013

Grant Number

Grant Date 12.05.2020

Publication Kind C

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CPC

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Applicants GRAHAM PACKAGING COMPANY, L.P.

Priority Data 13251830 03.10.2011 US

Title

(EN) PLASTIC AEROSOL CONTAINER ASSEMBLY AND METHOD OF MANUFACTURE

(FR) ENSEMBLE CONTENANT D'AEROSOL EN PLASTIQUE ET PROCEDE DE FABRICATION

Abstract

(EN) A plastic aerosol container assembly (10) includes a plastic container that has a main body portion (12) defining an interior space and a finish portion (14) that defines an opening. A pressurized aerosol mixture is maintained within the interior space. The finish portion has an inner surface (20) that has an undercut (22) defined therein. An aerosol valve assembly (24) is mounted to the plastic container so that a portion thereof engages the inner surface (20) of the finish portion (14) so as to be retained by the undercut (22). The plastic container is preferably fabricated from material including polyethylene terephthalate (PET). At least one location in the finish portion may be crystallized in order to provide enhanced resistance to stress cracking.

B	PERFORMING OPERATIONS; TRANSPORTING
65	CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D	CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
83	Containers or packages with special means for dispensing contents
14	for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
38	Details of the container body

B	PERFORMING OPERATIONS; TRANSPORTING
65	CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D	CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
83	Containers or packages with special means for dispensing contents
14	for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
38	Details of the container body

B	PERFORMING OPERATIONS; TRANSPORTING
65	CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D	CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
83	Containers or packages with special means for dispensing contents
14	for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant ; for a product delivered by a propellant
38	Details of the container body

B	PERFORMING OPERATIONS; TRANSPORTING
29	WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C	SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49	Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
02	Combined blow-moulding and manufacture of the preform or the parison
06	Injection blow-moulding

B	PERFORMING OPERATIONS; TRANSPORTING
29	WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
K	INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR ; MOULDS, ; REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
2067	Use of polyesters ; or derivatives thereof; , as moulding material
003	PET, i.e. poylethylene terephthalate

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1. CA2851083 - PLASTIC AEROSOL CONTAINER ASSEMBLY AND METHOD OF MANUFACTURE