GB1172228A - Microwave Heating Device - Google Patents
Microwave Heating DeviceInfo
- Publication number
- GB1172228A GB1172228A GB50399/66A GB5039966A GB1172228A GB 1172228 A GB1172228 A GB 1172228A GB 50399/66 A GB50399/66 A GB 50399/66A GB 5039966 A GB5039966 A GB 5039966A GB 1172228 A GB1172228 A GB 1172228A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bars
- trays
- metal
- wall elements
- microwave heating
- 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
- 238000010438 heat treatment Methods 0.000 title abstract 5
- 239000002184 metal Substances 0.000 abstract 5
- 239000000463 material Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/78—Arrangements for continuous movement of material
- H05B6/788—Arrangements for continuous movement of material wherein an elongated material is moved by applying a mechanical tension to it
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
1,172,228. Microwave heating. HIRST (MICROWAVE HEATING) Ltd. 8 Nov., 1967 [10 Nov., 1966], No. 50399/66. Heading H5H. [Also in Division H1] In a microwave heating device comprising a serpentine waveguide formed by two trays hinged together, each tray is formed from a plurality of metal bars 11 interleaved with a plurality of removable upstanding, metal wall elements 12, and a plurality of metal blocks 15, each of which is seated on the ends of two adjacent metal bars 11. The bars 11, removable wall elements 12 and metal end blocks 15 define a serpentine channel and are secured together by tie-rods 18 and to channel section members 17 by bolts 16. Adjacent wall elements 12 are arranged with their stepped ends 13 (Fig. 2) reversed so that a gap is provided between the wall element andmetal block 15. Both trays, only one being shown in Fig. 1, are mounted on a hinge plate 21 so that when the trays are closed a slot is formed transverse to wall elements 12 through which paper or sheet material may be passed. A safety switch cuts off the microwave supply when the trays are opened for the insertion of sheet material. The hinge plates are slotted at 24 for connection to a magnetron and water load respectively. The magnetron may be matched to its aperture 24 by means of a tapered transition or by means of a quarterwave step-transformer (Fig. 5, not shown). An adjustable matching stub may be provided to allow the water load (Fig. 6, not shown) to be matched with the waveguide. The bars 11 are provided with holes 30 through which air is blown on to the sheet material to remove vapour. The air is preferably preheated by an infra-red heating element before being passed through the holes 30 which are preferably fitted with nozzles to function as an " air knife." The bars 11 may be replaced with rectangular tubes having air holes on their inner sides.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB50399/66A GB1172228A (en) | 1966-11-10 | 1966-11-10 | Microwave Heating Device |
| US679673A US3474213A (en) | 1966-11-10 | 1967-11-01 | Microwave heating devices |
| FR127544A FR1543149A (en) | 1966-11-10 | 1967-11-09 | Microwave heating device |
| DE19671615312 DE1615312A1 (en) | 1966-11-10 | 1967-11-10 | Waveguide arrangement for a microwave heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB50399/66A GB1172228A (en) | 1966-11-10 | 1966-11-10 | Microwave Heating Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1172228A true GB1172228A (en) | 1969-11-26 |
Family
ID=10455766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB50399/66A Expired GB1172228A (en) | 1966-11-10 | 1966-11-10 | Microwave Heating Device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3474213A (en) |
| DE (1) | DE1615312A1 (en) |
| GB (1) | GB1172228A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582597A (en) * | 1969-08-04 | 1971-06-01 | Reeve Electronics Inc | Microwave film dryer |
| US3622733A (en) * | 1970-01-28 | 1971-11-23 | Cryodry Corp | Method and apparatus for drying sheet materials |
| DE3130358A1 (en) * | 1981-07-31 | 1983-02-17 | Agfa-Gevaert Ag, 5090 Leverkusen | DEVICE FOR HEATING AND / OR DRYING CONTINUOUS AREA MATERIALS WITH MICROWAVES |
| US6001300A (en) * | 1989-12-06 | 1999-12-14 | C.A. Lawton Company | Method for making rigid three-dimensional preforms using directed electromagnetic energy |
| US5217656A (en) * | 1990-07-12 | 1993-06-08 | The C. A. Lawton Company | Method for making structural reinforcement preforms including energetic basting of reinforcement members |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050493A (en) * | ||||
| US3254426A (en) * | 1962-05-14 | 1966-06-07 | Cardel Electric Co Inc | Air-jet dryer for printed material |
| NL284802A (en) * | 1962-10-26 | |||
| US3286369A (en) * | 1963-03-04 | 1966-11-22 | Hupp Corp | Drying apparatus |
| GB1093795A (en) * | 1965-04-07 | 1967-12-06 | Hirst Microwave Heating Ltd | Microwave heating device |
-
1966
- 1966-11-10 GB GB50399/66A patent/GB1172228A/en not_active Expired
-
1967
- 1967-11-01 US US679673A patent/US3474213A/en not_active Expired - Lifetime
- 1967-11-10 DE DE19671615312 patent/DE1615312A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3474213A (en) | 1969-10-21 |
| DE1615312A1 (en) | 1972-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |