ES407285A3 - Some improvements in the manufacture of spongy laminar materials. (Machine-translation by Google Translate, not legally binding) - Google Patents
Some improvements in the manufacture of spongy laminar materials. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES407285A3 ES407285A3 ES407285A ES407285A ES407285A3 ES 407285 A3 ES407285 A3 ES 407285A3 ES 407285 A ES407285 A ES 407285A ES 407285 A ES407285 A ES 407285A ES 407285 A3 ES407285 A3 ES 407285A3
- Authority
- ES
- Spain
- Prior art keywords
- tube
- cooling
- wall
- translation
- manufacture
- 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
- 239000000463 material Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000001816 cooling Methods 0.000 abstract 3
- 238000001125 extrusion Methods 0.000 abstract 3
- 239000012809 cooling fluid Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000012815 thermoplastic material Substances 0.000 abstract 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Improvements in the manufacture of foamed sheet materials, characterized by comprising an extrusion phase of a hot hollow tube, a resin of expandable thermoplastic material, then proceeding to the cooling of an external wall of said tube by a refrigerant fluid distributed by means envelopes externally of said wall, in a short period of time after extrusion, to form an impermeable, non-porous external layer, and then proceeding to the cooling of the internal wall of said tube by means other means distributing cooling fluid that are surrounded by the wall of the tube itself, in a short time after emerging from it from the extrusion head, to form a waterproof, non-porous inner layer, so that cooling of the external and internal part is insufficient to cool the part of the tube, with which the core of the tube expands a, constituting spongy material. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES407285A ES407285A3 (en) | 1972-09-28 | 1972-09-28 | Some improvements in the manufacture of spongy laminar materials. (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES407285A ES407285A3 (en) | 1972-09-28 | 1972-09-28 | Some improvements in the manufacture of spongy laminar materials. (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES407285A3 true ES407285A3 (en) | 1975-10-16 |
Family
ID=8462325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES407285A Expired ES407285A3 (en) | 1972-09-28 | 1972-09-28 | Some improvements in the manufacture of spongy laminar materials. (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES407285A3 (en) |
-
1972
- 1972-09-28 ES ES407285A patent/ES407285A3/en not_active Expired
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