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1. AU1999055732 - Mould assembly for footed container with ribs between the feet

Office Australia
Application Number 55732/99
Application Date 18.08.1999
Publication Number 1999055732
Publication Date 11.05.2000
Publication Kind A
IPC
B29C 49/48
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
42Component parts, details or accessories; Auxiliary operations
48Moulds
B29C 33/42
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
42characterised by the shape of the moulding surface, e.g. ribs or grooves
B29C 49/06
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
02Combined blow-moulding and manufacture of the preform or the parison
06Injection blow-moulding
B65D 1/02
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
1Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
CPC
B65D 1/0284
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
1Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
0223characterised by shape
0261Bottom construction
0284having a discontinuous contact surface, e.g. discrete feet
B29C 33/42
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
42characterised by the shape of the moulding surface, e.g. ribs or grooves
B29C 49/06
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
02Combined blow-moulding and manufacture of the preform or the parison
06Injection blow-moulding
B29C 49/48
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
42Component parts, details or accessories; Auxiliary operations
48Moulds
B65D 2501/0018
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS 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
2501Containers having bodies formed in one piece
0009Bottles or similar containers with necks or like restricted apertures designed for pouring contents
0018Ribs
Applicants Crown Cork & Seal Technologies Corporation
Inventors Cheng, Jizu J.
Krich, Jeffrey D.
Priority Data 09139539 26.08.1998 US
Title
(EN) Mould assembly for footed container with ribs between the feet
Abstract
(EN)
A molded polymeric container (10) that is shaped to exhibit superior characteristics of light weighting, stability against toppling and resistance to stress cracking includes a conventional cylindrical body (12) having a longitudinal axis (13) and a circumferencial sidewall and a novel bottom portion (16). The bottom portion (16) includes a central pushup area (22) of uniformity that is substantially uniform within a spatial rotation about the longitudinal axis. The area of uniformity has a radius Rg. The bottom (16) also includes a plurality of support feet that surround and protrude downwardly from the pushup area. Each of the support feet (18) have a bottom support surface with an inner point of contact (26) and an outer point of contact (28). The outer points of contact (28) together define an outer contact radius Roc. The bottom portion (16) as a whole has a radius of maximum width Rbase. A plurality of ribs are positioned in valleys (10) between the support feet (18). Each of these ribs is positioned between and helps define two of the support feet (18). At least one of the ribs has a localized radius of curvate Rc that intersects an arc connecting inner points of contact of two adjacent support feet (18). Advantageously, the radius of uniformity is within the range of about 16 % to about 26 % of Roc; and Rc is within the range of about 70 % to about 110 % of Rbase.

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