US20050218103A1 - Preform assembly, container assembly, and method of manufacture - Google Patents
Preform assembly, container assembly, and method of manufacture Download PDFInfo
- Publication number
- US20050218103A1 US20050218103A1 US10/816,500 US81650004A US2005218103A1 US 20050218103 A1 US20050218103 A1 US 20050218103A1 US 81650004 A US81650004 A US 81650004A US 2005218103 A1 US2005218103 A1 US 2005218103A1
- Authority
- US
- United States
- Prior art keywords
- preform
- finish ring
- plastic
- assembly
- finish
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/12—Compression moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—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
- B65D1/00—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, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
- B65D1/023—Neck construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/08—Injection moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
- B29C2949/0722—Preforms or parisons characterised by their configuration having variable wall thickness at neck portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
- B29C2949/0731—Preforms or parisons characterised by their configuration having variable diameter at neck portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
- B29C2949/0733—Preforms or parisons characterised by their configuration having variable diameter at body portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0772—Closure retaining means
- B29C2949/0773—Threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0777—Tamper-evident band retaining ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/079—Auxiliary parts or inserts
- B29C2949/08—Preforms made of several individual parts, e.g. by welding or gluing parts together
- B29C2949/0801—Finish neck ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3008—Preforms or parisons made of several components at neck portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3008—Preforms or parisons made of several components at neck portion
- B29C2949/3009—Preforms or parisons made of several components at neck portion partially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3012—Preforms or parisons made of several components at flange portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3016—Preforms or parisons made of several components at body portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/302—Preforms or parisons made of several components at bottom portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
- B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
- B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
- B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
- B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
- B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
- B29C2949/303—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components having more than three components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3032—Preforms or parisons made of several components having components being injected
- B29C2949/3034—Preforms or parisons made of several components having components being injected having two or more components being injected
- B29C2949/3036—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3032—Preforms or parisons made of several components having components being injected
- B29C2949/3034—Preforms or parisons made of several components having components being injected having two or more components being injected
- B29C2949/3036—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected
- B29C2949/3038—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected having more than three components being injected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3056—Preforms or parisons made of several components having components being compression moulded
- B29C2949/3058—Preforms or parisons made of several components having components being compression moulded having two or more components being compression moulded
- B29C2949/306—Preforms or parisons made of several components having components being compression moulded having two or more components being compression moulded having three or more components being compression moulded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3056—Preforms or parisons made of several components having components being compression moulded
- B29C2949/3058—Preforms or parisons made of several components having components being compression moulded having two or more components being compression moulded
- B29C2949/306—Preforms or parisons made of several components having components being compression moulded having two or more components being compression moulded having three or more components being compression moulded
- B29C2949/3062—Preforms or parisons made of several components having components being compression moulded having two or more components being compression moulded having three or more components being compression moulded having more than three components being compression moulded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/086—EVOH, i.e. ethylene vinyl alcohol copolymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1397—Single layer [continuous layer]
Definitions
- the present invention is directed to preform assemblies for blow molding plastic container assemblies, to plastic container assemblies blow molded from such preform assemblies, and to methods of making such preform assemblies and container assemblies.
- a container preform having a body and a neck finish with one or more external threads or other closure attachment means.
- the preform neck finish typically is molded to its final geometry, while the body of the preform subsequently is blow molded to the desired geometry of the container body.
- the preform may be of monolayer construction, or may be of multilayer construction in which one or more intermediate layers in the preform body may or may not extend into the neck finish of the preform.
- U.S. Pat. Nos. 4,609,516, 4,710,118 and 4,954,376 illustrate injection molding of multilayer container preforms.
- the neck finish portion of a container as part of the container preform presents a number of problems.
- the plastic material typically is injected into a mold cavity at the closed end of the preform body, so that the material must flow along the sides of the preform mold cavity into the area in which the neck finish is molded.
- the neck finish typically requires more accurate and stable dimensioning than the body of the preform, which can limit the cycle time of the preform molding process.
- the neck finish of the preform is of the same material as a monolayer preform body, and of the same material as at least the outer layers of a multilayer preform body, which limits the ability to obtain the most desirable material characteristics at the neck finish.
- the neck finish of the preform can be wholly or partially crystallized to improve the operating characteristics of the neck finish area, particularly in hot-fill container applications.
- PET polyethylene terephthalate
- the requirement that the neck finish be of the same material as at least the outer layers of a multilayer preform body still limits the design capabilities of preform manufacture.
- a method of making a preform assembly in accordance with one aspect of th present invention includes providing a finish ring of plastic construction, placing the finish ring onto a core pin, introducing a preform polymer into a mold cavity that includes the core pin, and compression molding the preform polymer to the finish ring.
- a preform assembly for blow molding a container assembly which includes a molded plastic finish ring and a plastic preform compression molded to the finish ring such that a neck portion of the plastic preform radially interengages the finish ring.
- a container assembly blow molded from a preform assembly which is produced from compression molding a preform to a molded plastic finish ring.
- the container assembly includes the molded plastic finish ring, and a plastic container having a neck portion thereof radially interengaging said finish ring.
- FIG. 1 illustrates a side elevational view of a preform assembly according to one exemplary embodiment of the present invention
- FIG. 2 illustrates a side elevational view of a container assembly, blow-molded from the preform assembly of FIG. 1 , according to another exemplary embodiment of the present invention
- FIG. 3 illustrates a side elevational view of a finish ring for the preform and container assemblies of FIGS. 1 and 2 ;
- FIG. 4 illustrates a top view of the finish ring of FIG. 3 ;
- FIG. 5 illustrates a cross-sectional view of the finish ring of FIG. 3 , taken along line 5 - 5 ;
- FIG. 6A illustrates a compression molding apparatus for use in accordance with an exemplary method of the present invention, wherein the apparatus is shown in an open position in which a charge of preform material is located within a mold cavity and a pre-made finish ring is loaded to a core pin;
- FIG. 6B illustrates the compression molding apparatus of FIG. 6A wherein the apparatus is shown in a closed position in which the preform material is compression molded within a portion of the pre-made finish ring;
- FIG. 7 illustrates a fragmentary cross-sectional view of a portion of the compression molding apparatus of FIGS. 6A and 6B and a cross-sectional view of the resulting preform assembly, wherein the preform assembly has been retracted and is carried on the compression core pin;
- FIG. 8 illustrates an enlarged cross-sectional view of the preform assembly of FIG. 7 , taken from circle 8 thereof.
- FIG. 1 illustrates a preform assembly 20 in accordance with one presently preferred embodiment of the invention as comprising a preform 22 and a separate finish ring 24 secured thereover.
- the preform 22 may be injection molded, but is preferably produced by compression molding as will be discussed in greater detail below.
- the preform 22 is composed of any suitable plastic material such as monolayer polyethylene terephthalate (PET) or the like, or multilayer PET or the like in which matrix layers of PET, for example, alternated with one or more layers of a barrier resin material such as ethylene vinyl alcohol (EVOH), nylon or the like.
- PET monolayer polyethylene terephthalate
- EVOH ethylene vinyl alcohol
- the finish ring 24 is injection or compression molded or the like, and is composed of any desired material such as PET, post consumer resin (PCR), process regrind (REG), polypropylene (PP), polyethylene (PE), polyethylene napthalate (PEN), or the like.
- the finish ring 24 is composed of a material different than that of the preform 22 , such as amorphous PET for preform 72 and crystalized PET for finish ring 24 .
- FIG. 2 illustrates a container assembly 120 that is blow molded from the preform assembly 20 of FIG.
- the preform 22 includes a closed lower end 26 and extends upwardly therefrom in the form of a body 28 that terminates in a cylindrical neck 30 that is integrally molded with the body 26 .
- Directional words such as “upper” and “lower” are employed by way of description and not limitation with respect to the upright orientation of the preform assemblies and components illustrated in the drawings.
- Directional words such as “radial” and “circumferential” are employed by way of description and not limitation with respect to the axis of the preform neck or finish ring as appropriate.
- the finish ring 24 is circumferentially continuous and includes an annular cylindrical wall 32 having one or more external threads or thread segments 34 .
- a circumferential bead 36 extends around the outer surface of the wall 32 beneath the threads 34 for cooperating with a tamper-indicating mechanism on a closure (not shown) to be secured to the finish portion of the final container.
- a capping or support flange 38 extends radially outwardly from the lower end of the wall 32 , giving the finish ring 24 a generally L-shaped lateral cross section in the illustrated embodiments of the invention.
- the finish ring 24 includes a cylindrical internal surface 40 and a tapered internal surface 42 extending between top and bottom ends 44 , 46 . Annular grooves 48 are provided in the tapered internal surface 42 , as will be further described in reference to FIGS. 6A-8 below.
- the apparatus 50 includes a core pin 52 positioned above a compression mold 54 .
- the compression mold 54 includes a closed bottom end 56 , a body portion 58 , and a partial finish portion 60 that together define a mold cavity 62 .
- the apparatus 50 occupies an open position in FIG. 6A , in which a charge of preform material 64 is introduced into the compression mold cavity 62 and the pre-made finish ring 24 is placed on to the compression core pin 52 , as shown.
- the charge 64 is soft or molten, and thereby conforms to and fills the lower end of the mold cavity 62 .
- the core pin 52 , with the finish ring 24 mounted thereto, and the mold 54 are positioned in vertical alignment.
- the core pin 52 and finish ring 24 are then moved into the mold 54 to compression overmold the charge 64 partially within the finish ring 24 .
- the term “overmold” is a term of art and, as used herein, means to mold one component from a soft or molten state to another component in a solid or finished state.
- the molten preform material charge 64 flows in an upward or forward direction between the core pin 52 and mold 54 .
- the preform 22 is formed including the closed bottom end 26 , the body 28 and the neck 30 .
- the preform assembly 20 is formed from the overmolding of the preform 22 to the finish ring 24 .
- the core pin 52 is retracted with the preform assembly 20 , including the preform 22 and finish ring 24 , mounted thereto.
- the preform assembly 20 includes the preform 22 compression molded partially within a portion of the finish ring 24 .
- the neck 30 of the preform 22 includes an upper portion 66 having annular projections 68 that extend into the annular grooves 48 of the finish ring 24 so as to positively radially interlock or interengage the finish ring 24 to the preform 22 .
- the annular grooves 48 in the finish ring 24 can also be referred to as radial recesses or radial interengagement features. The radial interengagement between the preform 22 and finish ring 24 provides positive resistance to any axially applied force tending to separate the components 22 , 24 .
- the preform 22 also includes a tapered or conical external surface 70 that corresponds to the tapered or conical internal surface 42 of the finish ring 24 .
- the tapered internal surface 42 of the finish ring 24 is greater in diameter than the corresponding portion of the core pin 52 . Accordingly, a small gap 72 is provided between the core pin 52 , tapered internal surface 42 of the finish ring 24 , and a leading edge 74 of the preform 22 .
- the gap 72 is provided between a transition point 76 of the finish ring 24 and the forward edge 74 of the preform 22 , wherein the transition point 76 is defined by the intersection of the cylindrical or straight internal surface 40 and the tapered internal surface 42 .
- the gap 72 is intentionally provided to accommodate within-tolerance variation of the size, volume or weight of the molten preform charge. In other words, at least some gap 72 should always be present under maximum material conditions of both the preform 22 and the finish ring 24 , to ensure a proper fit therebetween without any distortion due to overpacking of the preform material into the finish ring 24 .
- the term “overpack” is a term of art and, as used herein, refers to a condition where an excessive amount of molten polymer is compression molded and tends to lead to difficulties in ejecting the finished formed part or parts from the compression molding apparatus. Overpacking also tends to lead to warpage of, and residual stress within, the finished part or parts.
- the present invention provides a number of advantages.
- the present invention facilitates production of preform assemblies and container assemblies wherein a finish ring is composed of a material different from that of a preform or container to which the finish ring is radially interengaged.
- the present invention facilitates application of finish rings of various sizes and/or materials, to a common size preform and/or container.
- the present invention enables a decrease in the cycle time required to produce a preform because the constraint of the process—forming the neck finish portion—can be subordinated to a separate, parallel production process for producing just finish rings.
- the present invention enables a reduction in the piece price of each preform because the mold tooling can be simplified, and reduced in cost, to omit the complex thread split features typically required for the threaded finish portion of the preform.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/816,500 US20050218103A1 (en) | 2004-04-01 | 2004-04-01 | Preform assembly, container assembly, and method of manufacture |
PCT/US2005/010614 WO2005097453A1 (fr) | 2004-04-01 | 2005-03-31 | Ensemble de preforme, ensemble de conteneur, et procede de fabrication correspondant |
ARP050101279 AR049629A1 (es) | 2004-04-01 | 2005-03-31 | Conjunto de preforma conjunto de envase y metodo de fabricacion |
CNA2005800172219A CN1960843A (zh) | 2004-04-01 | 2005-03-31 | 预成形组件,容器组件和制造方法 |
EP20050731258 EP1750922A1 (fr) | 2004-04-01 | 2005-03-31 | Ensemble de preforme, ensemble de conteneur, et procede de fabrication correspondant |
AU2005231754A AU2005231754A1 (en) | 2004-04-01 | 2005-03-31 | Preform assembly, container assembly, and method of manufacture |
CA 2560799 CA2560799A1 (fr) | 2004-04-01 | 2005-03-31 | Ensemble de preforme, ensemble de conteneur, et procede de fabrication correspondant |
BRPI0509395-3A BRPI0509395A (pt) | 2004-04-01 | 2005-03-31 | conjunto de preformado, conjunto de recipiente, e método de fabricação |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/816,500 US20050218103A1 (en) | 2004-04-01 | 2004-04-01 | Preform assembly, container assembly, and method of manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050218103A1 true US20050218103A1 (en) | 2005-10-06 |
Family
ID=34964346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/816,500 Abandoned US20050218103A1 (en) | 2004-04-01 | 2004-04-01 | Preform assembly, container assembly, and method of manufacture |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050218103A1 (fr) |
EP (1) | EP1750922A1 (fr) |
CN (1) | CN1960843A (fr) |
AR (1) | AR049629A1 (fr) |
AU (1) | AU2005231754A1 (fr) |
BR (1) | BRPI0509395A (fr) |
CA (1) | CA2560799A1 (fr) |
WO (1) | WO2005097453A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050249902A1 (en) * | 2004-05-07 | 2005-11-10 | Lynch Brian A | Compression over-molding container preforms |
US20070224374A1 (en) * | 2006-03-22 | 2007-09-27 | Graham Packaging Company, Lp | Lightweight article and method of manufacture |
US20090230076A1 (en) * | 2008-03-13 | 2009-09-17 | Graham Packaging Company, L.P. | Aseptic Transfer Bead For Plastic Containers |
US20130037580A1 (en) * | 2011-08-01 | 2013-02-14 | Graham Packaging Company, Lp | Plastic aerosol container and method of manufacture |
WO2016019361A1 (fr) * | 2014-08-01 | 2016-02-04 | The Coca-Cola Company | Petit emballage de boissons gazeuses présentant des propriétés de durée de vie améliorées |
US20210130079A1 (en) * | 2018-07-09 | 2021-05-06 | Alpla Werke Alwin Lehner Gmbh & Co. Kg | Pressure container of plastic |
WO2021247728A1 (fr) * | 2020-06-05 | 2021-12-09 | Niagara Bottling, Llc | Préforme de récipient dotée d'une partie de finition inviolable |
US11292157B2 (en) * | 2017-06-06 | 2022-04-05 | Emanuela COVI | Set of preforms for making a container, container and method |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012103988A1 (fr) * | 2011-02-04 | 2012-08-09 | Unilever Plc | Conditionnement |
US11577876B2 (en) | 2016-10-21 | 2023-02-14 | Amcor Rigid Packaging Usa, Llc | Lightweight polymeric container finish |
US10569924B2 (en) | 2016-10-21 | 2020-02-25 | Amcor Rigid Plastics Usa, Llc | Lightweight polymeric container finish |
US11577877B2 (en) | 2016-10-21 | 2023-02-14 | Amcor Rigid Packaging Usa, Llc | Lightweight polymeric container finish |
US11708188B2 (en) | 2016-10-21 | 2023-07-25 | Amcor Rigid Packaging Usa, Llc | Lightweight polymeric container finish |
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- 2005-03-31 CN CNA2005800172219A patent/CN1960843A/zh active Pending
- 2005-03-31 AR ARP050101279 patent/AR049629A1/es not_active Application Discontinuation
- 2005-03-31 CA CA 2560799 patent/CA2560799A1/fr not_active Abandoned
- 2005-03-31 AU AU2005231754A patent/AU2005231754A1/en not_active Abandoned
- 2005-03-31 BR BRPI0509395-3A patent/BRPI0509395A/pt not_active Application Discontinuation
- 2005-03-31 WO PCT/US2005/010614 patent/WO2005097453A1/fr active Application Filing
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US4507285A (en) * | 1982-04-10 | 1985-03-26 | Kuehne Friedrich Wilhelm | Stabilized activated oxygen and pharmaceutical compositions containing said stabilized activated oxygen |
US4715504A (en) * | 1985-10-02 | 1987-12-29 | Owen-Illinois Plastic Products Inc. | Oriented plastic container |
US5588544A (en) * | 1989-07-31 | 1996-12-31 | Yamamura Glass Co., Ltd. | Bottle neck structure and a manufacturing method therefor |
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US5762970A (en) * | 1994-12-30 | 1998-06-09 | Yamamura Glass Co., Ltd. | Parison forming apparatus including core insert and parison transfer devices for forming a composite parison |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20050249902A1 (en) * | 2004-05-07 | 2005-11-10 | Lynch Brian A | Compression over-molding container preforms |
US20070224374A1 (en) * | 2006-03-22 | 2007-09-27 | Graham Packaging Company, Lp | Lightweight article and method of manufacture |
US20090230076A1 (en) * | 2008-03-13 | 2009-09-17 | Graham Packaging Company, L.P. | Aseptic Transfer Bead For Plastic Containers |
US9120590B2 (en) | 2008-03-13 | 2015-09-01 | Graham Packaging Company, L.P | Aseptic transfer bead for plastic containers |
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WO2016019361A1 (fr) * | 2014-08-01 | 2016-02-04 | The Coca-Cola Company | Petit emballage de boissons gazeuses présentant des propriétés de durée de vie améliorées |
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US11292157B2 (en) * | 2017-06-06 | 2022-04-05 | Emanuela COVI | Set of preforms for making a container, container and method |
US20210130079A1 (en) * | 2018-07-09 | 2021-05-06 | Alpla Werke Alwin Lehner Gmbh & Co. Kg | Pressure container of plastic |
WO2021247728A1 (fr) * | 2020-06-05 | 2021-12-09 | Niagara Bottling, Llc | Préforme de récipient dotée d'une partie de finition inviolable |
GB2611665A (en) * | 2020-06-05 | 2023-04-12 | Niagara Bottling Llc | Container preform with tamper evidence finish portion |
Also Published As
Publication number | Publication date |
---|---|
CN1960843A (zh) | 2007-05-09 |
AU2005231754A1 (en) | 2005-10-20 |
WO2005097453A1 (fr) | 2005-10-20 |
EP1750922A1 (fr) | 2007-02-14 |
CA2560799A1 (fr) | 2005-10-20 |
AR049629A1 (es) | 2006-08-23 |
BRPI0509395A (pt) | 2007-09-18 |
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Legal Events
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AS | Assignment |
Owner name: CONTINENTAL PET TECHNOLOGIES, INC., OHIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BARKER, KEITH J.;KALMOUNI, BASSAM M.;LYNCH, BRIAN A.;AND OTHERS;REEL/FRAME:015180/0441 Effective date: 20040325 |
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Owner name: GRAHAM PACKAGING PET TECHNOLOGIES, INC., PENNSYLVA Free format text: CHANGE OF NAME;ASSIGNOR:CONTINENTAL PET TECHNOLOGIES, INC.;REEL/FRAME:016050/0616 Effective date: 20041012 |
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Owner name: DEUTSCHE BANK AG CAYMAN ISLANDS BRANCH, NEW JERSEY Free format text: GRANT OF SECURITY INTEREST;ASSIGNOR:GRAHAM PACKAGING COMPANY, L.P.;REEL/FRAME:015980/0213 Effective date: 20041007 Owner name: DEUTSCHE BANK AG CAYMAN ISLANDS BRANCH AS SECOND-L Free format text: GRANT OF SECURITY INTEREST;ASSIGNOR:GRAHAM PACKAGING COMPANY, L.P.;REEL/FRAME:015552/0299 Effective date: 20041007 |
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Owner name: GRAHAM PACKAGING PET TECHNOLOGIES, INC., PENNSYLVA Free format text: CHANGE OF NAME;ASSIGNOR:CONTINENTAL PET TECHNOLOGIES, INC.;REEL/FRAME:016491/0342 Effective date: 20041012 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |
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Owner name: GRAHAM PACKAGING COMPANY, L.P., PENNSYLVANIA Free format text: RELEASE OF SECURITY INTERESTS;ASSIGNOR:DEUTSCHE BANK AG, GAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT;REEL/FRAME:027011/0572 Effective date: 20110908 |
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Owner name: GRAHAM PACKAGING COMPANY, L.P., PENNSYLVANIA Free format text: RELEASE OF SECURITY INTEREST IN CERTAIN PATENT COLLATERAL;ASSIGNOR:DEUTSCHE BANK AG CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT AND GRANTEE;REEL/FRAME:053414/0001 Effective date: 20200805 |