CA1041719A - Method and device for manufacturing moulded plastic articles - Google Patents
Method and device for manufacturing moulded plastic articlesInfo
- Publication number
- CA1041719A CA1041719A CA167,139A CA167139A CA1041719A CA 1041719 A CA1041719 A CA 1041719A CA 167139 A CA167139 A CA 167139A CA 1041719 A CA1041719 A CA 1041719A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- mould
- supporting surface
- support
- plastic
- 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
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000002991 molded plastic Substances 0.000 title description 2
- 239000004033 plastic Substances 0.000 claims abstract description 54
- 229920003023 plastic Polymers 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000012530 fluid Substances 0.000 claims abstract description 10
- -1 polyethylene Polymers 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 9
- 229920000573 polyethylene Polymers 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000006223 plastic coating Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 abstract description 2
- 229920001155 polypropylene Polymers 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000004924 electrostatic deposition Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/02—Moulding by agglomerating
- B29C67/04—Sintering
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/02—Combined thermoforming and manufacture of the preform
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7204628A NL158115B (nl) | 1972-04-06 | 1972-04-06 | Werkwijze en inrichting voor het vervaardigen van gevormde kunststofvoorwerpen, alsmede aldus verkregen voorwerp. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1041719A true CA1041719A (en) | 1978-11-07 |
Family
ID=19815792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA167,139A Expired CA1041719A (en) | 1972-04-06 | 1973-03-27 | Method and device for manufacturing moulded plastic articles |
Country Status (12)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4839127A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-09-22 | 1973-06-08 | ||
| JPS5843777B2 (ja) * | 1974-09-17 | 1983-09-29 | 株式会社日立製作所 | 回転形磁気記憶装置 |
| JPS51111317A (en) * | 1975-03-26 | 1976-10-01 | Ricoh Co Ltd | Track searching method for magnetic disk |
| JPS53116891A (en) * | 1977-03-22 | 1978-10-12 | Kobe Steel Ltd | Magnetization apparatus for magnetic crack detection |
| JPS5447446A (en) * | 1977-09-21 | 1979-04-14 | Hitachi Ltd | Magnetic disc control unit |
| WO1981001264A1 (en) * | 1979-06-11 | 1981-05-14 | Loeoeveverken Ab | A method and a device for carrying out vacuum pressing |
| JPS5769354A (en) * | 1980-10-09 | 1982-04-28 | Ricoh Co Ltd | Data base access system |
| JPS57168362A (en) * | 1981-04-10 | 1982-10-16 | Hitachi Ltd | Data transferring system of file system input/output device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4220310Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1964-04-15 | 1967-11-25 |
-
1972
- 1972-04-06 NL NL7204628A patent/NL158115B/xx not_active IP Right Cessation
-
1973
- 1973-01-01 AR AR24725573A patent/AR206388A1/es active
- 1973-03-21 DE DE19732314031 patent/DE2314031C3/de not_active Expired
- 1973-03-27 CA CA167,139A patent/CA1041719A/en not_active Expired
- 1973-03-28 GB GB1496273A patent/GB1431071A/en not_active Expired
- 1973-03-28 CH CH444673A patent/CH554231A/xx not_active IP Right Cessation
- 1973-04-04 FR FR7312182A patent/FR2179127B3/fr not_active Expired
- 1973-04-04 BR BR240773A patent/BR7302407D0/pt unknown
- 1973-04-04 DD DD16993473A patent/DD102626A5/xx unknown
- 1973-04-05 BE BE129653A patent/BE797788A/xx unknown
- 1973-04-05 IT IT940773A patent/IT982088B/it active
- 1973-04-06 JP JP3884173A patent/JPS499568A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL158115B (nl) | 1978-10-16 |
| BR7302407D0 (pt) | 1974-02-07 |
| DE2314031C3 (de) | 1978-09-14 |
| DE2314031A1 (de) | 1973-10-18 |
| BE797788A (nl) | 1973-10-05 |
| GB1431071A (en) | 1976-04-07 |
| FR2179127A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-11-16 |
| CH554231A (de) | 1974-09-30 |
| DD102626A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-20 |
| JPS499568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-28 |
| DE2314031B2 (de) | 1978-01-12 |
| AR206388A1 (es) | 1976-07-23 |
| IT982088B (it) | 1974-10-21 |
| FR2179127B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-03-26 |
| NL7204628A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-10-09 |
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