ES407897A3 - A procedure for the manufacture of plates of sponous plastic material. (Machine-translation by Google Translate, not legally binding) - Google Patents
A procedure for the manufacture of plates of sponous plastic material. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES407897A3 ES407897A3 ES407897A ES407897A ES407897A3 ES 407897 A3 ES407897 A3 ES 407897A3 ES 407897 A ES407897 A ES 407897A ES 407897 A ES407897 A ES 407897A ES 407897 A3 ES407897 A3 ES 407897A3
- Authority
- ES
- Spain
- Prior art keywords
- tube
- spongy
- hollow tube
- hollow
- sheet
- 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 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000004033 plastic Substances 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 abstract 4
- 238000000576 coating method Methods 0.000 abstract 4
- 238000001125 extrusion Methods 0.000 abstract 2
- 230000004927 fusion Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000012815 thermoplastic material Substances 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A process for the manufacture of sheets of spongy plastic material, characterized in that it comprises the extrusion of a hollow tube of spongy thermoplastic material, with the simultaneous inflation of this hollow tube, immediately applying a coating film to the spongy hollow tube, in a continuous manner, with the extrusion of the spongy material, by passing said coating sheet and the inflated hollow tube while said tube is under said inflation conditions, through a pair of rollers, the surface of the hollow inflated tube being facing the sheet of coating, at a temperature above the softening point of the thermoplastic sponge material and simultaneously during the passage of said coating sheet and said inflated hollow tube through said rollers, cause the joint thermal fusion of the contact surface of said cover sheet and said hollow tube menc this is done by firmly pressing the lining sheet and the hollow sponge tube together to the point that the spongy tube is compressed by more than 75% of the thickness it has before it is pressed. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES407897A ES407897A3 (en) | 1972-10-17 | 1972-10-17 | A procedure for the manufacture of plates of sponous plastic material. (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES407897A ES407897A3 (en) | 1972-10-17 | 1972-10-17 | A procedure for the manufacture of plates of sponous plastic material. (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES407897A3 true ES407897A3 (en) | 1975-10-16 |
Family
ID=8462468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES407897A Expired ES407897A3 (en) | 1972-10-17 | 1972-10-17 | A procedure for the manufacture of plates of sponous plastic material. (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES407897A3 (en) |
-
1972
- 1972-10-17 ES ES407897A patent/ES407897A3/en not_active Expired
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