GB1320227A - Shapening for thermoplastics parisons and apparatus therefor - Google Patents
Shapening for thermoplastics parisons and apparatus thereforInfo
- Publication number
- GB1320227A GB1320227A GB3959870A GB3959870A GB1320227A GB 1320227 A GB1320227 A GB 1320227A GB 3959870 A GB3959870 A GB 3959870A GB 3959870 A GB3959870 A GB 3959870A GB 1320227 A GB1320227 A GB 1320227A
- Authority
- GB
- United Kingdom
- Prior art keywords
- neck
- seal
- shaping
- parison
- aug
- 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.)
- Expired
Links
- 229920001169 thermoplastic Polymers 0.000 title abstract 3
- 239000004416 thermosoftening plastic Substances 0.000 title abstract 3
- 238000007493 shaping process Methods 0.000 abstract 4
- 230000008018 melting Effects 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
Classifications
-
- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
- B29C49/4817—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity with means for closing off parison ends
-
- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/76—Neck calibration
-
- 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/76—Neck calibration
- B29C49/761—Forming threads, e.g. shaping neck thread between blowing means and mould
-
- 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
1320227 Shaping parison ends PHILLIPS PETROLEUM CO 17 Aug 1970 [18 Aug 1969] 39598/70 Heading B5A A tubular thermoplastic parison is shaped at its end to form a seal or neck thereon by firstly applying transverse pressure to flatten the tube partially and then a further transverse pressure perpendicular to the first to compression mould the seal or neck, shaping being effected at below the crystalline melting point of the material and the outside diameter of the shaped seal or neck is 10-80% less than that before shaping. The thermoplastic is preferably a polymer of a mono-1-olefin of 2-8 carbon atoms, shaping being effected at 1-50 F. below the crystalline melting point. If a neck is to be formed, a mandrel may be previously inserted into the tube. The parison may be formed into a container by blow-mounting while still held by the neck- and seal-forming devices at each end.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85078469A | 1969-08-18 | 1969-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1320227A true GB1320227A (en) | 1973-06-13 |
Family
ID=25309104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3959870A Expired GB1320227A (en) | 1969-08-18 | 1970-08-17 | Shapening for thermoplastics parisons and apparatus therefor |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE754930A (en) |
DE (1) | DE2040363C3 (en) |
ES (1) | ES382296A1 (en) |
FR (1) | FR2058911A5 (en) |
GB (1) | GB1320227A (en) |
-
0
- BE BE754930D patent/BE754930A/en unknown
-
1970
- 1970-07-29 ES ES382296A patent/ES382296A1/en not_active Expired
- 1970-08-13 DE DE2040363A patent/DE2040363C3/en not_active Expired
- 1970-08-17 GB GB3959870A patent/GB1320227A/en not_active Expired
- 1970-08-18 FR FR7030273A patent/FR2058911A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2058911A5 (en) | 1971-05-28 |
DE2040363B2 (en) | 1978-05-11 |
DE2040363C3 (en) | 1978-12-21 |
BE754930A (en) | 1971-02-17 |
ES382296A1 (en) | 1973-04-16 |
DE2040363A1 (en) | 1971-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |