JPS57115323A - Manufacture for product formed by contraction - Google Patents
Manufacture for product formed by contractionInfo
- Publication number
- JPS57115323A JPS57115323A JP18552780A JP18552780A JPS57115323A JP S57115323 A JPS57115323 A JP S57115323A JP 18552780 A JP18552780 A JP 18552780A JP 18552780 A JP18552780 A JP 18552780A JP S57115323 A JPS57115323 A JP S57115323A
- Authority
- JP
- Japan
- Prior art keywords
- special shape
- inner mold
- product
- elastic inner
- contraction
- 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
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To obtain simply a product formed by thermocontraction having a special shape without symmetry of rotation by following process in which an elastic inner mold of a special shape is inserted by deforming it into a thermocontractive formed article which is expanded mechanically into a simply mold, and then the inner mold is removed, after they are formed into a special shape by heating.
CONSTITUTION: For instance, in the case of making a complicated formed product , first, a thermocontractive formed article is mechanically expanded into a simple shape S by dividably metal mold or wooden made as primary forming. Next, an elastic inner mold of a desirable special shape is inserted into the primary formed article by deforming it. The primary formed article is softened by heating, and it is formed into the desirable special shape by restoration force of the elastic inner mold. Thereafter, elastic inner mold G is removed, and the product is completed. The objective product formed by contraction is obtained by contraction due to further heating.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18552780A JPS57115323A (en) | 1980-12-27 | 1980-12-27 | Manufacture for product formed by contraction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18552780A JPS57115323A (en) | 1980-12-27 | 1980-12-27 | Manufacture for product formed by contraction |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57115323A true JPS57115323A (en) | 1982-07-17 |
Family
ID=16172354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18552780A Pending JPS57115323A (en) | 1980-12-27 | 1980-12-27 | Manufacture for product formed by contraction |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57115323A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4696780A (en) * | 1983-12-21 | 1987-09-29 | Landstingens Inkopscentral Lic | Method of manufacturing a prosthesis cuff to receive an amputation stump |
-
1980
- 1980-12-27 JP JP18552780A patent/JPS57115323A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4696780A (en) * | 1983-12-21 | 1987-09-29 | Landstingens Inkopscentral Lic | Method of manufacturing a prosthesis cuff to receive an amputation stump |
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