WO1997046841A1 - Produktschale für die trocknung eines produktes - Google Patents
Produktschale für die trocknung eines produktes Download PDFInfo
- Publication number
- WO1997046841A1 WO1997046841A1 PCT/CH1997/000196 CH9700196W WO9746841A1 WO 1997046841 A1 WO1997046841 A1 WO 1997046841A1 CH 9700196 W CH9700196 W CH 9700196W WO 9746841 A1 WO9746841 A1 WO 9746841A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- product
- tray
- product tray
- frame
- drying
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Definitions
- the invention relates to a product tray for drying a product by means of contact heating by means of heating plates over the bottom of the tray.
- Heat transfer from the heating element to the product plays an important role in the quality of drying using contact heating in a vacuum drying cabinet.
- the quality of drying is determined by the degree of drying, foaming and drying time.
- Insulator heat transfer c) the same wall thickness of the shell bottoms everywhere, and d) uniform heat distribution in the heating plates.
- product trays made of metal such as stainless steel or aluminum, are also known.
- the dry product cake is knocked out, there are damages and unevenness in the floors, which lead to uneven drying.
- the invention has for its object to avoid the disadvantages of known product trays.
- this object is achieved in a product tray of the type mentioned at the outset by a frame forming or supporting the side walls of the product tray and a base consisting of a flexible, thin, heat-resistant material with good heat transfer.
- the flexible material of the bottom of the product bowl enables optimal contact between the bottom and the heating plate.
- the material adapts to small unevenness in the heating plate, so that there are no insulating air cushions between the heating surface and the product to be dried.
- FIG. 1 shows a vertical section parallel to a side wall of a product tray according to the invention on a heating plate
- FIG. 2 shows a detailed view of a vertical edge of a tray frame of a product tray according to the invention
- FIG. 3 shows a detailed view of a vertical edge of a shell frame of another product shell according to the invention joined with a tie rod
- FIG. 4 shows a detailed view of a corner of a tray base for a product tray according to FIG. 1, 2 or 3,
- FIG. 5 shows a vertical section parallel to a side wall of a product tray according to the invention a shell bottom attached by gluing
- FIG. 6 shows a vertical section parallel to a side wall of a product tray according to the invention with a tray base fastened by means of a clamping frame
- FIG. 7 shows a vertical section parallel to a side wall of a product tray according to the invention with a tray bottom as part of a deep-drawn trough, the edges of which are attached to a tray frame by snapping on,
- FIG. 8 shows a vertical section parallel to a side wall of a product tray according to the invention with a tray base fastened to a tray frame by means of clamping bolts,
- FIG. 9 shows a vertical section parallel to a side wall of a product tray according to the invention with a tray base fastened by a tray frame with a sandwich structure
- FIG. 10 shows a vertical section parallel to a side wall of a product tray according to the invention with a tray base fastened between two steel profiles as a tray frame, and
- FIG. 11 shows a vertical section parallel to a side wall of a product tray according to the invention with a tray base fastened to a tray frame by means of snap strips.
- the vertical section according to FIG. 1 shows two opposite side walls 1, 2 of a rectangular product tray 3 according to the invention.
- the product tray 3 rests with the tray base 7 and the terminal strips 5 on a heating plate 8 for drying a product 9 located in the product tray. Due to the weight of the product 9, the flexible tray bottom 7 lies on the
- Heating plate 8 form-fitting everywhere, due to its small thickness, it offers good heat transfer from the heating plate 8 to the product 9, which is to be dried.
- FIG. 2 shows a vertical edge 10 of a product tray according to FIG. 1.
- two side walls 1 and 11 are joined together with their mirror edges by welding or gluing in a manner known per se.
- stainless steel is the preferred material for the panels or profiles of the side walls.
- tray frames suitable for product trays are offered by numerous sheet metal processing companies, e.g. by Wegmann, Spreitenbach, Switzerland. Shell frames can also be welded together from aluminum profiles, among the providers of such frames is Aluminum Menziken AG, Menziken, Switzerland.
- plastic 2 can also be manufactured by vacuum deep-drawing of plastic, e.g. made of polypropylene, PTFE or other plastics.
- plastic e.g. made of polypropylene, PTFE or other plastics.
- Fig. 3 shows two side walls 1 'and 11' of a product tray 3 ⁇ Fig. 1), which are joined together on a vertical edge by means of a tie rod 12.
- a tie rod of known type is shown in detail in FIG. 3a.
- a bolt 14 to which the side wall 11' is screwed with a set screw 15 through a longitudinal bore in the side wall 1 '.
- Fig. 4 shows a corner 16 of a cloth as a tray bottom 7 '.
- Various plastics are suitable as material for the production of such cloths.
- the modulus of elasticity is known from the aramid fibers Kevlar or Nomex, supplied by Du Pont de Nemours Int. S.A., Geneva, Switzerland, which were coated with PTFE (poly-tetrafluoroethylene).
- PTFE poly-tetrafluoroethylene
- Teflon supplier Du Pont de Nemours Int. S.A., Geneva, Switzerland or Hostalen, supplier company Hoechst, Frankfurt / Main, Germany.
- Plastic e.g. PTFE or a silicone is coated.
- Such fabrics are e.g. Available as Lubriglas tapes from Angst and Pfister, Zurich, Switzerland, or as silicone-coated glass fabric films from SIPOTEC, Chur, Switzerland. 4 is an edge zone 17 of the
- Shell bottom 7 specially chemically treated (etched) so that it can be glued to a shell frame 18 by means of an adhesive layer 19, as shown in FIG. 5.
- an adhesive layer 19 as shown in FIG. 5.
- Two-component adhesive based on epoxy resin such as Araldit from CIBA Polymer, Basel, Switzerland.
- plastic foils can also be used for the tray bottoms, e.g. made of pure PTFE (poly Tetrafluoroethylene) or made of PTFE reinforced with glass fiber, as are available from Neotecha AG, Hombrechtikon, Switzerland.
- films made of polyethylene with thicknesses of 0.5 mm to 1 mm can also be used for this purpose, known, for example, under the trade names Hostalen or Hostalen GUR from Hoechst AG, Frankfurt / Main, Germany.
- woven polyester e.g. Trevira from Hoechst or Tersuisse from Viscosuisse.
- Such fabrics are coated with polyurethane with a total thickness of about 0.6 mm e.g. supplied by HABASIT, Reinach BL, Switzerland. They are primarily suitable for low-tack products at temperatures below 80 ° C.
- FIG. 6 shows the fastening of a base material 7 to a side wall 1 of a product tray by means of a clamping frame 20.
- the base material 7 is pressed onto the underside of the side wall 1 via an edge reinforcement or seal 4 by means of several clamping screws 21 along the clamping frame 20.
- FIG. 7 shows a shell bottom 7 ′′ which is designed as part of a deep-drawn trough 21, but is sufficiently flexible.
- the material of the tub 21, preferably stainless steel or plastic, allows the upper edge 22 of the tub 21 to snap into place over the edge 23 of the shell frame 18 for attachment.
- FIG. 8 A further preferred possibility of fastening a thin flexible shell base 7 '' 'to the side walls 24 of a product shell according to the invention is shown in FIG. 8 in a vertical section.
- the side walls 24 are designed here as V-profiles with an edge 25 located at the top.
- the ends 26, 27 of the legs of the V-profiles lie on the
- the outer end 26 is fixed by projections 28 in corresponding elongated holes in the shell bottom 7 ''', while the inner end 27 is supported on the shell bottom 7''' by an edge protector 29.
- the shell bottom ⁇ ' 1 1 is fastened to the side walls 24 with bolts 30 and screws 31 along the side walls and tensioned.
- the bolts 30 hold the shell bottom 7 '''over counterparts 32, and the screws 31 are supported on the edges 25 of the V-profiles.
- Side walls 24 are preferably made of metal.
- FIG. 9 shows in a vertical section one possibility of fastening a flexible shell base 7 ′ to a shell frame 32 by means of a sandwich-like arrangement.
- Shell frame 32 comprises an outer part 33 and an inner part 34, and, as already shown in FIG. 4, the shell bottom 7 'has an edge zone 17 which is specially treated chemically (by etching) or physically (by plasma surface activation) so that it can be fixed between parts 33 and 34 by melting or gluing and pressing together.
- FIG. 10 A variant of the arrangement according to FIG. 9 is shown in FIG. 10.
- the shell bottom 7 ' is fastened with its edge zone between two steel frames 35, 36.
- a tray base 7 is fastened to the lower edge of a side wall 1 ′′ of a product tray by means of a snap bar 37.
- the shell bottom 7 has an edge zone which can be fixed between the parts 1 ′′ and 37 simply by clamping.
- the side wall 1 ′′ has a groove 38 which is suitable for receiving the snap strip 37 and which improves the elasticity
- Properties of the side wall 1 '' has a recess 39 at its base when it snaps into place.
- This variant is primarily suitable for the use of elastic shell bases made of elastomer (silicone-coated glass fiber fabric).
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK97920478T DK0843802T3 (da) | 1996-05-31 | 1997-05-21 | Produktbakke til tørring af et produkt |
US09/011,265 US5983519A (en) | 1996-05-31 | 1997-05-21 | Product tray for drying a product |
CA002228142A CA2228142C (en) | 1996-05-31 | 1997-05-21 | Product tray for drying a product |
PL97324803A PL183243B1 (pl) | 1996-05-31 | 1997-05-21 | Korytko do suszenia produktu |
KR10-1998-0700514A KR100452561B1 (ko) | 1996-05-31 | 1997-05-21 | 제품건조용트레이 |
DE59705878T DE59705878D1 (de) | 1996-05-31 | 1997-05-21 | Produktschale für die trocknung eines produktes |
AT97920478T ATE211249T1 (de) | 1996-05-31 | 1997-05-21 | Produktschale für die trocknung eines produktes |
JP50005798A JP3687681B2 (ja) | 1996-05-31 | 1997-05-21 | 製品の乾燥用の製品シェル |
EP97920478A EP0843802B1 (de) | 1996-05-31 | 1997-05-21 | Produktschale für die trocknung eines produktes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1372/96 | 1996-05-31 | ||
CH01372/96A CH691827A5 (de) | 1996-05-31 | 1996-05-31 | Produktschale für die Trocknung eines Produktes. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997046841A1 true WO1997046841A1 (de) | 1997-12-11 |
Family
ID=4208881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1997/000196 WO1997046841A1 (de) | 1996-05-31 | 1997-05-21 | Produktschale für die trocknung eines produktes |
Country Status (11)
Country | Link |
---|---|
US (1) | US5983519A (de) |
EP (1) | EP0843802B1 (de) |
JP (1) | JP3687681B2 (de) |
KR (1) | KR100452561B1 (de) |
AT (1) | ATE211249T1 (de) |
CA (1) | CA2228142C (de) |
CH (1) | CH691827A5 (de) |
DE (1) | DE59705878D1 (de) |
DK (1) | DK0843802T3 (de) |
PL (1) | PL183243B1 (de) |
WO (1) | WO1997046841A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5983519A (en) * | 1996-05-31 | 1999-11-16 | Bucher-Guyer Ag | Product tray for drying a product |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070227618A1 (en) * | 2003-09-29 | 2007-10-04 | Cabinplant International A/S | Method and an Apparatus for Applying and Evenly Distributing a Quantity of Particulate Material |
EP1619460A3 (de) * | 2004-07-23 | 2010-08-25 | Storci S.p.A. | Horde zum Trocknen von Nahrungsmitteln, insbesondere Pasta. |
US9103590B2 (en) * | 2007-11-15 | 2015-08-11 | Warren R. Hartwell | Drying tray and method of use |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE812659C (de) * | 1949-11-26 | 1951-09-03 | Josef Kufferath | Horde fuer die Trocknung von Nahrungsmitteln, wie Teigwaren u. dgl. |
DE899925C (de) * | 1951-06-21 | 1953-12-17 | Hoechst Ag | Trockenschale fuer pastenfoermige, fluessige oder aehnliche Substanzen |
DE19516291A1 (de) * | 1995-05-04 | 1996-11-07 | Mumenthaler Sven | Aufnahmeschale für thermisch zu behandelnde Substanzen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3807057A (en) * | 1973-04-23 | 1974-04-30 | E Noel | Tray with disposable cup means for improved proofing and handling of doughballs for english muffins |
US4190757A (en) * | 1976-10-08 | 1980-02-26 | The Pillsbury Company | Microwave heating package and method |
US4455763A (en) * | 1981-03-05 | 1984-06-26 | Elevitch Franklin R | Coffee roaster |
US4677764A (en) * | 1985-02-11 | 1987-07-07 | Cerny Gene L | Apparel drying tray |
US4751368A (en) * | 1986-11-17 | 1988-06-14 | Daifotes Theodore S | Food warming device |
US4943534A (en) * | 1988-09-19 | 1990-07-24 | Norman Andreasen | Tray assembly for germination floor |
CH691827A5 (de) * | 1996-05-31 | 2001-10-31 | Bucher Guyer Ag | Produktschale für die Trocknung eines Produktes. |
-
1996
- 1996-05-31 CH CH01372/96A patent/CH691827A5/de not_active IP Right Cessation
-
1997
- 1997-05-21 DK DK97920478T patent/DK0843802T3/da active
- 1997-05-21 EP EP97920478A patent/EP0843802B1/de not_active Expired - Lifetime
- 1997-05-21 US US09/011,265 patent/US5983519A/en not_active Expired - Fee Related
- 1997-05-21 WO PCT/CH1997/000196 patent/WO1997046841A1/de active IP Right Grant
- 1997-05-21 JP JP50005798A patent/JP3687681B2/ja not_active Expired - Fee Related
- 1997-05-21 CA CA002228142A patent/CA2228142C/en not_active Expired - Fee Related
- 1997-05-21 PL PL97324803A patent/PL183243B1/pl not_active IP Right Cessation
- 1997-05-21 KR KR10-1998-0700514A patent/KR100452561B1/ko not_active IP Right Cessation
- 1997-05-21 DE DE59705878T patent/DE59705878D1/de not_active Expired - Fee Related
- 1997-05-21 AT AT97920478T patent/ATE211249T1/de not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE812659C (de) * | 1949-11-26 | 1951-09-03 | Josef Kufferath | Horde fuer die Trocknung von Nahrungsmitteln, wie Teigwaren u. dgl. |
DE899925C (de) * | 1951-06-21 | 1953-12-17 | Hoechst Ag | Trockenschale fuer pastenfoermige, fluessige oder aehnliche Substanzen |
DE19516291A1 (de) * | 1995-05-04 | 1996-11-07 | Mumenthaler Sven | Aufnahmeschale für thermisch zu behandelnde Substanzen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5983519A (en) * | 1996-05-31 | 1999-11-16 | Bucher-Guyer Ag | Product tray for drying a product |
Also Published As
Publication number | Publication date |
---|---|
DE59705878D1 (de) | 2002-01-31 |
CA2228142C (en) | 2006-08-22 |
JP3687681B2 (ja) | 2005-08-24 |
CA2228142A1 (en) | 1997-12-11 |
EP0843802B1 (de) | 2001-12-19 |
KR20030039379A (ko) | 2003-05-22 |
DK0843802T3 (da) | 2002-03-25 |
JPH11510590A (ja) | 1999-09-14 |
US5983519A (en) | 1999-11-16 |
ATE211249T1 (de) | 2002-01-15 |
EP0843802A1 (de) | 1998-05-27 |
KR100452561B1 (ko) | 2005-02-24 |
PL183243B1 (pl) | 2002-06-28 |
PL324803A1 (en) | 1998-06-22 |
CH691827A5 (de) | 2001-10-31 |
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