JPH0263048B2 - - Google Patents
Info
- Publication number
- JPH0263048B2 JPH0263048B2 JP2110083A JP2110083A JPH0263048B2 JP H0263048 B2 JPH0263048 B2 JP H0263048B2 JP 2110083 A JP2110083 A JP 2110083A JP 2110083 A JP2110083 A JP 2110083A JP H0263048 B2 JPH0263048 B2 JP H0263048B2
- Authority
- JP
- Japan
- Prior art keywords
- molded product
- protrusion
- synthetic resin
- mold
- molding
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 21
- 239000000057 synthetic resin Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 description 17
- 238000001746 injection moulding Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002184 metal 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2110083A JPS59146826A (ja) | 1983-02-10 | 1983-02-10 | 合成樹脂成形品の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2110083A JPS59146826A (ja) | 1983-02-10 | 1983-02-10 | 合成樹脂成形品の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59146826A JPS59146826A (ja) | 1984-08-22 |
| JPH0263048B2 true JPH0263048B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-12-27 |
Family
ID=12045448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2110083A Granted JPS59146826A (ja) | 1983-02-10 | 1983-02-10 | 合成樹脂成形品の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59146826A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01186312A (ja) * | 1988-01-20 | 1989-07-25 | Aron Kasei Co Ltd | 射出成形方法 |
| JPH01214414A (ja) * | 1988-02-23 | 1989-08-28 | Kodama Kagaku Kogyo Kk | 主成形品に対する付属成形品の付設方法、及びその装置 |
| US6872345B1 (en) | 1999-08-16 | 2005-03-29 | Decoma International Inc. | Method for forming a fascia assembly for a motor vehicle |
| ATE251981T1 (de) * | 1999-08-16 | 2003-11-15 | Decoma Internat Corp | Verfahren zum formen eines verkleidungszusammenbaus für ein kraftfahrzeug |
| IT1320350B1 (it) * | 2000-05-12 | 2003-11-26 | Crs Srl Ct Ricerche & Sperimen | Procedimento ed attrezzatura per lo stampaggio a termocompressione diarticoli di materiale termoplastico. |
| US6863322B2 (en) * | 2000-05-31 | 2005-03-08 | Frederick D. Hunter | Motor vehicle bumper |
| DE102006022921B4 (de) * | 2006-05-15 | 2008-02-07 | Webasto Ag | Fahrzeug-Dachteil aus wenigstens zwei Kunststoffschichten und Verfahren zum Herstellen eines solchen Fahrzeug-Dachteils |
| US11110635B2 (en) | 2015-09-25 | 2021-09-07 | Sabic Global Technologies B.V. | Method of injection molding using ribs and apparatus therefor |
-
1983
- 1983-02-10 JP JP2110083A patent/JPS59146826A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59146826A (ja) | 1984-08-22 |