GB1136860A - Improvements in and relating to ovens for heating thermoplastic filaments - Google Patents
Improvements in and relating to ovens for heating thermoplastic filamentsInfo
- Publication number
- GB1136860A GB1136860A GB4826567A GB4826567A GB1136860A GB 1136860 A GB1136860 A GB 1136860A GB 4826567 A GB4826567 A GB 4826567A GB 4826567 A GB4826567 A GB 4826567A GB 1136860 A GB1136860 A GB 1136860A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heating
- tube
- channel
- filaments
- oven
- 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
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
- D02J13/003—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one stationary surface, e.g. a plate
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
- D01D10/0481—Supporting filaments or the like during their treatment while in continuous movement the filaments passing through a tube
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
1,136,860. Heating oven for thermoplastic filaments. SPINNER OSAKEYHTIO. 24 Oct., 1967 [22 Sept., 1967], No. 48265/67. Heading B5B. A heating oven for thermoplastic filaments, consists of an elongated body with insulation 6 and in which a longitudinal channel 9 has been formed for passage of the filaments, a heating element 7 being placed on the bottom of this channel, the said heating elements consisting of a tube constituting the bottom of the channel and through which a heating fluid is conducted. As shown in Fig. 3, grooves may be provided on the surface of the tube 7 for the passage of the filaments 10. Heating fluid is supplied from insulated pipe 2 and preferably passes upwardly through the vertically disposed tube 7, and returns to insulated pipe 4. As shown, the bottom tube 7 of channel 9 forms a grooved friction surface and is shaped slightly convexed in the longitudinal direction to ensure positive contact between the filament and the tube 7 over the entire length of the latter. The filaments 10 are suitably heated to about 150‹ to 250‹ C., so that they reach their plastic condition. Known heat transfer media are used. The filaments may alternatively be arranged to pass through the oven in the channel 9 in such manner that they do not touch the heating surface. In this case the temperature of the heating fluid flowing in the heating tube must be considerably higher, even up to 400‹ C. If desired, the cross-sectional shape of the heating tube may be square, rectangular, circular, or oval. When the filament does not touch the heating surface, a tube of U-shaped cross-section surrounding the channel 9 is especially advantageous. The channel 9 in the oven may be provided with a cover if desired. The use of a heat transfer fluid in place of the conventional electrical heating has the advantage that the heat is completely uniformly distributed over the length of the oven. Filaments may be heated, e.g. to curl them, using the apparatus of the invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4826567A GB1136860A (en) | 1967-10-24 | 1967-10-24 | Improvements in and relating to ovens for heating thermoplastic filaments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4826567A GB1136860A (en) | 1967-10-24 | 1967-10-24 | Improvements in and relating to ovens for heating thermoplastic filaments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1136860A true GB1136860A (en) | 1968-12-18 |
Family
ID=10447976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4826567A Expired GB1136860A (en) | 1967-10-24 | 1967-10-24 | Improvements in and relating to ovens for heating thermoplastic filaments |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1136860A (en) |
-
1967
- 1967-10-24 GB GB4826567A patent/GB1136860A/en not_active Expired
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