GB2135864A - Apparatus for making bread - Google Patents
Apparatus for making bread Download PDFInfo
- Publication number
- GB2135864A GB2135864A GB08407809A GB8407809A GB2135864A GB 2135864 A GB2135864 A GB 2135864A GB 08407809 A GB08407809 A GB 08407809A GB 8407809 A GB8407809 A GB 8407809A GB 2135864 A GB2135864 A GB 2135864A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tins
- conveyor
- sections
- main conveyor
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
- A21B7/00—Baking plants
-
- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C9/00—Other apparatus for handling dough or dough pieces
- A21C9/08—Depositing, arranging and conveying apparatus for handling pieces, e.g. sheets of dough
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing And Processing Devices For Dough (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
Abstract
Apparatus for making bread comprises a main conveyor 10 which carries baking tins (38) suspended from the frame parts (33, 34) of the conveyor by flanges (41, 42) on the tins. A fermentation chamber 13 is divided into compartments A and B, dough-laden tins being transported upwardly in compartment A and downwardly in compartment B. The baking oven 14 has a conveyor 21 lying closely over the tins (38), thus obviating the necessity for devices for applying and removing lids from the tins. A device 16 removes the finished bread from the tins. <IMAGE>
Description
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GB 2 135 864 A
1
SPECIFICATION Apparatus for making bread
5 This invention relates to an apparatus for production of bread of the type using a conveyor (referrred to herein as a "main conveyor") to carry tins through a fermentation chamber and an oven. The object of the invention is to provide an apparatus which is 10 cheap to build, requires but little space, and is energy saving in use.
The apparatus of the present invention is characterised in that the main conveyor carries sections each comprising at least two transverse frame parts and 15 at least two other frame parts connecting the transverse frame parts. These sections are preferably subdivided by further frame parts, so that baking tins with opposed flanges can be carried thereon.
20 According to a preferred embodiment of the invention sections, having passed into the bottom of the fermentation chamber, are then carried, preferably in batches, firstly in an upward direction and then in a downward direction in the fermentation 25 chamber.
The apparatus may incorporate a device for putting lids on baking tins containing dough and a device for removing lids from baking tins containing bread. However, according to a particularly prefer-30 red arrangement, the oven may be provided with an endless conveyor belt, positioned to lie closely over open topped tins on the main conveyor belt, and adapted to operate so that its lower run moves in the same direction as the upper run of the main 35 conveyor belt.
A preferred embodiment of the invention will now be described in greater detail by reference to the accompanying drawing, in which:-
Figure 7 is a plan view of a baking apparatus; 40 Figure 2 is a side view of the apparatus according to Figure 1;
Figure 3 is one section of the main conveyor with tins filled with dough; and
Figure 4 is a section through a tin along the line 45 IV-IV of Figure 3.
The apparatus comprises a main conveyor 10 of side chain conveyor type, a filling device 11, a fermentation chamber 13, an oven 14 and a device 16 for removing the bread from the tins. Additionally 50 there may be provided devices 12 and 15 respectively for putting lids on baking tins containing dough and removing lids from tins containing bread.
The main conveyor 10 is operated by two continuous side chains. Between these side chains and 55 resting on them there are arranged sections 30, each section comprising at least two transverse frame parts 31,32 and at least two otherframe parts 33,37 connecting the ends of the frame parts 31,32 with each other and extending in the longitudinal direc-60 tion of the conveyor. Within each section 30 there are a number of further frame parts 34-36, preferably extending in the longitudinal direction of the conveyor, which connect the transverse frame parts 31,32 with each other and subdivide the sections 30. 65 The space between the longitudinal frame parts in each section is filled with heat-resistant tins 38 into which the dough is to be placed. In this connection the tins 38 are preferably positioned such that their longitudinal axis is perpendicular to the moving direction of the main conveyor 10,
The tins 38 are made to cooperate with the specially designed main conveyor so that the tins shall come as near the heating device of the oven 14 as possible. For this reason the upper ends of the short sides of the tins are provided with flanges 41,42 which rest against the frame parts 33-37 of the main conveyor 10, whereby the main part of each tin 38 lies between the frame parts 33-37. By this means a distance of 5-30 mm, preferably 10-15 mm, between the lower part of the tin 38 and the heating device of the oven Mis possible. If the flanges 41,42 extend over the whole of the top of the frame parts 33-37, as shown in Figure 4 of the drawings, then flanges of tins in adjacent rows will overlap: if preferred, the flanges may be reduced in length so that no such overlapping occurs.
The filling device 11 comprises a conveyor 110 which is transverse in relation to the main conveyor 10 and extends out over the same. On this transverse conveyor is transported the dough which is to be portioned into the tins 38 on the main conveyor 10. At that part of the transverse conveyor 110 extending over the main conveyor there is arranged a device 111 which can portion out the dough at one and the same time into all tins 38 which are positioned in the same transverse line in the section of the main conveyor 10. When the tins in this line have been filled with dough the main conveyor is fed forwardly one step, whereafter the portioning device 111 can fill all tins in the transverse line behind and so on. Due to this fact a quick filling of dough into the tins 38 is achieved.
After the tins 38 have been filled with dough, the filled tins are furnished with lids in a conventional way with the aid of the device 12, which lids prevent the dough from swelling out of the tins during the fermentation and baking period.
Then the tins 38 enter the fermentation chamber 13 which is specially designed so that it only occupies about one quarter of the space in the longitudinal direction of a conventional fermentation chamber having the same capacity. This is done by arranging that the sections of the main conveyor 10 with the tins therein move so that rows of sections 30 move vertically, one above the other.
The chamber 13 comprises two compartments A and B, each compartment comprising rows above each other, each row containing a number of sections of the main conveyor. In this connection the rows with the sections in compartment A move upwards, while the rows in compartment B move downwards. The chamber 13 functions in the following way: When a sufficient number of sections 30 of the main conveyor, for example five sections, have entered the device 13, they are transported upwardly by a vertical conveyor in the compartment A, this conveyor straddling the main conveyor 10 and being provided with lifiting elements which contact the under surfaces of the frame parts 33 and 37. On reaching the top of compartment A, the sections 30
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GB 2 135 864 A
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at this level are transferred by rack and pinion, or rams or the like, to the top of compartment B and so to a similar conveyor which moves the sections downwardly until they are again deposited on the 5 main conveyor. Alternatively a single conveyor in the device 13 may control both the upward and downward movement of the sections 30. The fermentation or rising of the dough takes, as known, a certain time but, due to the novel circulation system 10 of the sections within the chamber 13, this fermentation time can be maintained with a considerable quantity of dough in the chamber, whilst the space occupied by the chamber in the longitudinal direction of the apparatus is minimal.
15 It ought to be observed that the movement into and from the fermentation chamber occurs uninterruptedly, i.e. at the same time as the lowest row in compartment B is fed out of the chamber 13 a number of sections outside the chamber 13 are fed 20 into the same and take their place on the lowest row in compartment A, whereafter the circulation continues such that the sections on the different rows are moved one step at the same time as sections with tins containing finished-fermented dough are 25 fed out of the chamber 13 and new sections are fed into compartment A. After the fermentation the sections with the tins containing finished-fermented dough are fed into the oven 14 that can be of conventional "forced convection" type. 30 The great advantage of this case, however, is that due to the special design of the main conveyor 10 and the tins 38, the latter are able to come very close to the heating device of the oven, the heat transfer being radically improved. This improved heattrans-35 fer can be utilized in two ways: either the oven can be made shorter than is normal or the energy supply can be reduced. In both cases, however, there will be a radical reduction of the energy consumption of the oven.
40 After the baking in the oven 14 the sections with the tins containing the bread goto a device 15 at which the lids on the tins are lifted off. These lids are then carried away by a transverse conveyor 151, and are collected together, whereafter they are trans-45 ported by a longitudinal conveyor 152 to the device 12, where they are put on the tins again.
After the station 15 where the lids are removed, the sections with the tins containing the finished bread go to a device 16 where the bread is taken 50 away from the tins and is fed away for cooling and packeting. Then the sections with the empty tins go back to the station 11, where dough is once again filled into the tins.
The stations 15 and 16 are based on conventional 55 equipment that can be found on the market today.
The invention is, of course, not limited to the described embodiment. Thus, there may be different variations in the size of the sections of the main conveyor and also different numbers of sections in 60 the rows of the fermentation chamber.
Further, instead of having lids on the tins 38 a special, endless conveyor 21 (see Figure 2) can be arranged in the oven 14, which conveyor rests against the projections 41,42 of the tins 38, whereby 65 the bread is prevented from swelling out of the tin during the baking. In this connection the lower part of the conveyor 21 moves in the same direction as does the upper part of the conveyor 10 and preferably with the same speed. By having this device 21 70 the apparatus can be made cheaper and simpler, because then the station 12 where the lids are put on, the station 15 where the lids are taken off, the unit for collecting together the lids, and the two conveyors 151,152 can be abolished.
75 Further, it is possible to modify the sections of the main conveyor 10 such that instead of having frame parts 34-36 extending in the longitudinal direction of the conveyor each section is provided with frame parts extending between the frame parts 33 and 37 80 and thus parallel to the frame parts 31 and 32. In such a case the tins 38 are suitably suspended in the sections 30 such that the longitudinal axis of the tins is parallel with the moving direction of the main conveyor 10. In this connection it ought to be 85 pointed outthatthe number of tins that are contained in each section 30 can of course be varied depending on the size of the sections and the tins.
Claims (3)
1. Apparatus for making bread comprising a fermentation chamber, an oven and a main conveyor to carry tins into and out of the fermentation chamber and the oven characterised in that the oven 95 is provided with an endless conveyor belt, positioned to lie closely over open topped tins on the main conveyor belt and adapted to operate so that its lower run moves in the same direction as the upper run of the main conveyor belt. 100
2.Apparatus according to claim 1 wherein the said conveyor belt rests on the tops of tins on the conveyor.
3. Apparatus according to claim 1 substantially as described with reference to Figure 2 of the 105 accompanying drawings.
Printed in the UKfor HMSO, D8818935,7/84,7102.
Published by The Patent Office, 25 Southampton Buildings, London,
WC2A1 AY, from which copies may be obtained.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8102182A SE425831B (en) | 1981-04-06 | 1981-04-06 | DEVICE FOR BREAD MAKING |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8407809D0 GB8407809D0 (en) | 1984-05-02 |
GB2135864A true GB2135864A (en) | 1984-09-12 |
Family
ID=20343530
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08210086A Expired GB2105563B (en) | 1981-04-06 | 1982-04-05 | Apparatus for making bread |
GB08407809A Withdrawn GB2135864A (en) | 1981-04-06 | 1984-03-26 | Apparatus for making bread |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08210086A Expired GB2105563B (en) | 1981-04-06 | 1982-04-05 | Apparatus for making bread |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3212877C2 (en) |
GB (2) | GB2105563B (en) |
SE (1) | SE425831B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT391400B (en) * | 1988-11-28 | 1990-09-25 | Koenig Helmut | SYSTEM FOR TREATING BAKERY PRODUCTS |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB632352A (en) * | 1946-12-04 | 1949-11-21 | Frears & Blacks Ltd | Improvements in and relating to the manufacture of bread and like cereal products |
GB1169257A (en) * | 1966-09-19 | 1969-11-05 | Baker Perkins Ltd | Improvements in or relating to the continuous baking of bread |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1483637A (en) * | 1919-05-24 | 1924-02-12 | Katzinger Edward Co | Peeling mechanism |
GB633323A (en) * | 1948-02-26 | 1949-12-12 | Frederick Burton | Improvements relating to bakers' trays |
US3863422A (en) * | 1973-10-09 | 1975-02-04 | Amf Inc | Baking pan registration control system |
-
1981
- 1981-04-06 SE SE8102182A patent/SE425831B/en not_active IP Right Cessation
-
1982
- 1982-04-05 GB GB08210086A patent/GB2105563B/en not_active Expired
- 1982-04-06 DE DE19823212877 patent/DE3212877C2/en not_active Expired
-
1984
- 1984-03-26 GB GB08407809A patent/GB2135864A/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB632352A (en) * | 1946-12-04 | 1949-11-21 | Frears & Blacks Ltd | Improvements in and relating to the manufacture of bread and like cereal products |
GB1169257A (en) * | 1966-09-19 | 1969-11-05 | Baker Perkins Ltd | Improvements in or relating to the continuous baking of bread |
Also Published As
Publication number | Publication date |
---|---|
GB2105563B (en) | 1985-06-19 |
DE3212877C2 (en) | 1986-11-06 |
SE425831B (en) | 1982-11-15 |
DE3212877A1 (en) | 1982-10-21 |
SE8102182L (en) | 1982-10-07 |
GB8407809D0 (en) | 1984-05-02 |
GB2105563A (en) | 1983-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |