US20130082074 PLASTIC AEROSOL CONTAINER ASSEMBLY AND METHOD OF MAKING

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United States of America

Application Number 13251830

Application Date 03.10.2011

Publication Number 20130082074

Publication Date 04.04.2013

Publication Kind A1

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Applicants ARMSTRONG RALPH
GRAHAM PACKAGING COMPANY, L.P.
NAHILL THOMAS E.
BARKER KEITH J.
LYNCH BRIAN A.

Inventors ARMSTRONG RALPH
NAHILL THOMAS E.
BARKER KEITH J.
LYNCH BRIAN A.

Title

(EN) PLASTIC AEROSOL CONTAINER ASSEMBLY AND METHOD OF MAKING

Abstract

(EN)

A plastic aerosol container assembly includes a plastic container that has a main body portion defining an interior space and a finish portion that defines an opening. A pressurized aerosol mixture is maintained within the interior space. The finish portion has an inner surface that has an undercut defined therein. An aerosol valve assembly is mounted to the plastic container so that a portion thereof engages the inner surface of the finish portion so as to be retained by the undercut. The plastic container is preferably fabricated from material including polyethylene terephthalate. 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

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

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

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

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

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1. US20130082074 - PLASTIC AEROSOL CONTAINER ASSEMBLY AND METHOD OF MAKING

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