GB1290888A - - Google Patents
Info
- Publication number
- GB1290888A GB1290888A GB1290888DA GB1290888A GB 1290888 A GB1290888 A GB 1290888A GB 1290888D A GB1290888D A GB 1290888DA GB 1290888 A GB1290888 A GB 1290888A
- Authority
- GB
- United Kingdom
- Prior art keywords
- corridor
- furnace
- waveguide
- conveyer belt
- microwave
- 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
- 230000005855 radiation Effects 0.000 abstract 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000007665 sagging Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/10—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation for articles of indefinite length
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0855—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using microwave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Tunnel Furnaces (AREA)
Abstract
1290888 Microwave heating apparatus J H A SOULIER 6 Nov 1969 [5 Dec 1968]. 54478/69 Heading H5H A microwave furnace for treating dielectric materials, such as pieces of rubber 57, passed therethrough, comprises two complementary semi-cylindrical half-shells 11, 14, assembled longitudinally to each other with a rectangular section supply waveguide 13 arranged transversely thereto for transmitting microwave radiation along the tunnel furnace corridor 22. Pieces 57 for treatment are passed through the corridor 22 on a conveyer belt 8 with guide suppbrts 56 to prevent sagging. The upper halfshell 14 is pivoted on spindles 18 in supports 19 formed by the main furnace body 9 so that it may be swung aside for maintenance of the furnace, and the half-shells are secured together at the other lateral side of the body 9 by pivoted threaded rods 20 with tightening screws 21 bearing on the mating flanges 12, 15 of the halfshells 11, 14. Suitable seals 16, 17 are provided to prevent radiation leakage, seals 17 being of metal braid. Supporting jacks 37, 38, on a plate 36 carried by a supporting frame 1, provide for adjustment of the furnace relative to the fixed conveyer belt 8. A nozzle 23 on the other side of the waveguide 13 to the tunnel corridor 23, includes a movable tuning piston 24. The waveguide 13 has its own adjustable tuning reflector 29, Fig. 7 (not shown). The corridor 22 is lined by spaced conductive rings 63 at half-wavelength intervals. A tetrafluoroethylene sleeve 66 prevents escape of vapours from the corridor 22 into the waveguide 13. A radiation absorbing plug 58 helps to seal round the exit from corridor 22. Conveyer belt 8 is silicon-coated glass fabric.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR176804 | 1968-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1290888A true GB1290888A (en) | 1972-09-27 |
Family
ID=8657888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1290888D Expired GB1290888A (en) | 1968-12-05 | 1969-11-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3632946A (en) |
| DE (1) | DE1960338B2 (en) |
| ES (1) | ES374191A1 (en) |
| FR (1) | FR1598315A (en) |
| GB (1) | GB1290888A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2138384C2 (en) * | 1971-07-31 | 1982-10-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Yagi aerial in printed circuit construction - has complete aerial formed in one mfg. operation |
| FR2428369A1 (en) * | 1978-06-08 | 1980-01-04 | Cim Lambda Int Sarl | Microwave heat treatment - maintaining excess pressure in resonator cavities against workpiece tunnel |
| JPH0620749B2 (en) * | 1989-09-27 | 1994-03-23 | 鬼怒川ゴム工業株式会社 | Continuous rubber vulcanizer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2622187A (en) * | 1947-01-14 | 1952-12-16 | Raytheon Mfg Co | Microwave pressure cooker |
| US2868939A (en) * | 1956-01-16 | 1959-01-13 | Chemetron Corp | Suppression of radiation from dielectric heating applicators |
| BE639202A (en) * | 1962-10-26 | |||
| US3321314A (en) * | 1965-09-20 | 1967-05-23 | Cryodry Corp | Process for cooking bacon with microwave energy |
| GB1164278A (en) * | 1965-11-04 | 1969-09-17 | Microtherm Ltd | Improvements in and relating to the Heating of Articles. |
| US3461261A (en) * | 1966-10-31 | 1969-08-12 | Du Pont | Heating apparatus |
-
1968
- 1968-12-05 FR FR176804A patent/FR1598315A/fr not_active Expired
-
1969
- 1969-11-05 US US874341A patent/US3632946A/en not_active Expired - Lifetime
- 1969-11-06 GB GB1290888D patent/GB1290888A/en not_active Expired
- 1969-12-02 DE DE1960338A patent/DE1960338B2/en active Pending
- 1969-12-03 ES ES374191A patent/ES374191A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1960338B2 (en) | 1974-12-12 |
| ES374191A1 (en) | 1971-12-16 |
| FR1598315A (en) | 1970-07-06 |
| US3632946A (en) | 1972-01-04 |
| DE1960338A1 (en) | 1970-06-18 |
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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 |