DE2109633A1 - Verfahren und Vorrichtung zum Formen geschäumter Polymerprodukte - Google Patents
Verfahren und Vorrichtung zum Formen geschäumter PolymerprodukteInfo
- Publication number
- DE2109633A1 DE2109633A1 DE19712109633 DE2109633A DE2109633A1 DE 2109633 A1 DE2109633 A1 DE 2109633A1 DE 19712109633 DE19712109633 DE 19712109633 DE 2109633 A DE2109633 A DE 2109633A DE 2109633 A1 DE2109633 A1 DE 2109633A1
- Authority
- DE
- Germany
- Prior art keywords
- mold
- interior
- probe
- gas
- plastisol
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 15
- 229920000642 polymer Polymers 0.000 title claims description 7
- 238000000465 moulding Methods 0.000 title claims description 4
- 239000000523 sample Substances 0.000 claims description 33
- 229920001944 Plastisol Polymers 0.000 claims description 24
- 239000004999 plastisol Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 18
- 239000000112 cooling gas Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 9
- 238000005187 foaming Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000009313 farming Methods 0.000 claims 1
- 239000006260 foam Substances 0.000 description 25
- 239000000047 product Substances 0.000 description 13
- 239000003380 propellant Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 235000013175 Crataegus laevigata Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 239000008259 solid foam Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/0407—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
- B29C44/3419—Quick cooling
-
- 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
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/043—Skinned foam
-
- 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
- B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
- B29L2031/5209—Toys
- B29L2031/5218—Dolls, puppets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1565470A | 1970-03-02 | 1970-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2109633A1 true DE2109633A1 (de) | 1972-09-07 |
Family
ID=21772700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712109633 Pending DE2109633A1 (de) | 1970-03-02 | 1971-03-01 | Verfahren und Vorrichtung zum Formen geschäumter Polymerprodukte |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR7101265D0 (enrdf_load_stackoverflow) |
| CA (1) | CA940678A (enrdf_load_stackoverflow) |
| DE (1) | DE2109633A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2128032A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1304808A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096655A (en) * | 1990-03-14 | 1992-03-17 | Nitrojection Corporation | Method for injection molding |
| US5798080A (en) * | 1995-03-30 | 1998-08-25 | Toyoda Gosei Co., Ltd. | Method of producing a hollow resin body and apparatus therefor |
-
1971
- 1971-02-22 CA CA105,962A patent/CA940678A/en not_active Expired
- 1971-03-01 DE DE19712109633 patent/DE2109633A1/de active Pending
- 1971-03-01 BR BR126571A patent/BR7101265D0/pt unknown
- 1971-03-01 FR FR7106937A patent/FR2128032A1/fr not_active Withdrawn
- 1971-04-19 GB GB2279471A patent/GB1304808A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096655A (en) * | 1990-03-14 | 1992-03-17 | Nitrojection Corporation | Method for injection molding |
| US5798080A (en) * | 1995-03-30 | 1998-08-25 | Toyoda Gosei Co., Ltd. | Method of producing a hollow resin body and apparatus therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1304808A (enrdf_load_stackoverflow) | 1973-01-31 |
| CA940678A (en) | 1974-01-29 |
| BR7101265D0 (pt) | 1973-03-08 |
| FR2128032A1 (enrdf_load_stackoverflow) | 1972-10-20 |
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