OVEN TRAY WITH RIGID RIM ARRANGEMENT

DE502019014699D1Active Publication Date: 2026-06-03ZENKER BACKFORMEN GMBH & CO KG

Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
ZENKER BACKFORMEN GMBH & CO KG
Filing Date
2019-05-07
Publication Date
2026-06-03

AI Technical Summary

Technical Problem

Existing oven molds lack a combination of user-friendliness, durability, and ease of cleaning while maintaining high torsional rigidity and flexibility for efficient food preparation.

Method used

A rim arrangement with higher stiffness than the oven mold base body, made of different materials, providing enhanced torsional rigidity and ease of handling, combined with a deformable silicone base for easy food removal and cleaning.

Benefits of technology

The oven dish achieves excellent cooking results, is easy to handle and clean, and allows for space-saving storage, while maintaining high torsional rigidity and flexibility.

✦ Generated by Eureka AI based on patent content.
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Description

[0001] The present patent application claims priority from German patent application DE 10 2018 207 166.7, the contents of which are incorporated herein by reference.

[0002] The invention relates to an oven dish, such as a baking dish, casserole dish or grill dish, for preparing food in an oven, in particular in a baking oven, according to the preamble of claim 1. Furthermore, the invention relates to a method for manufacturing such an oven dish.

[0003] Oven molds are known from the prior art. They are often made of sheet metal, a design that has proven successful in practice. Such oven molds made of sheet metal are generally characterized by their durability and dimensional stability.

[0004] Current technology also includes silicone oven molds, which are very popular due to their light weight and easy cleaning.

[0005] US patent 2009 / 061128 A1 discloses a silicone baking mold with an upper rim arrangement that has an embedded support wire ring.

[0006] EP 1 641 344 B1 discloses a stiffened baking mold whose basic body consists of an elastic material.

[0007] US patent 2005 / 056642 A1 discloses a flexible silicone mold with a surrounding rim that can be thicker than the walls of a container within the silicone mold. The silicone mold has flat gripping zones at the rim, which have reinforcing elements embedded in the silicone.

[0008] From US patent 2005 / 0199132 A1, which represents the next state of the art, a support element is known that has a multitude of openings and is, for example, in two parts. Each opening is designed to accommodate a flexible muffin cup.

[0009] A shape disclosed in FR 3 001 106 A1 has a reinforcement in the form of glass fibers in silicone.

[0010] DE 20 2013 102 957 U1 discloses a collection device for collecting overflowing cooking liquid, which can be detachably arranged on a food preparation container.

[0011] DE 10 2004 054 800 A1 discloses a baking mold with a metal support part and a silicone part to be placed on the support part.

[0012] From DE 20 2006 004 861 U1 a baking mold is known which comprises a molded body made of an elastic-flexible plastic material and a mold stiffener.

[0013] The invention aims to provide an oven dish that is both extremely user-friendly and allows for particularly good food preparation. A corresponding method is also to be developed.

[0014] This problem is solved according to the invention by the features specified in main claims 1 and 14. The core of the invention lies in a rim arrangement that has a higher stiffness than the oven mold base body and thus, in particular, imparts a certain stiffness or torsional rigidity to the entire oven mold. The oven mold base body is therefore less rigid than the rim arrangement. The oven mold is particularly easy to handle. It combines the advantages of the various known types of oven molds.

[0015] It is advantageous if the material of the oven mold base and the rim assembly differs from each other, particularly in their composition. For example, the rim assembly is made of a different material than the oven mold base.

[0016] The silicone base of the oven dish is extremely heat-resistant. Furthermore, it is very easy to clean, just like in a conventional dishwasher. This ensures excellent cooking results, leading to particularly delicious dishes.

[0017] The oven mold body preferably has a round, oval, elliptical or rectangular shape, with corners preferably being rounded.

[0018] The rim arrangement is geometrically adapted to an outer contour of the oven mold base body. It preferably has a substantially corresponding contour, in particular annular, oval, elliptical, or rectangular. It is advantageous if the rim arrangement has a substantially uniform width.

[0019] The rim arrangement is originally advantageously two-part. Such a rim arrangement can be particularly securely fixed to the oven mold base. It has a comparatively high (torsional) stiffness.

[0020] In a two-part rim arrangement, each rim part has a partial recess whose total height corresponds to the height or thickness of a rim region of the oven mold base body. For example, in a one-part non-inventive rim arrangement, the rim arrangement has a recess whose height corresponds to the height or thickness of a rim region of the oven mold base body.

[0021] The rim assembly is permanently and inseparably attached to the oven mold base. The rim assembly is located at the top and bottom of an edge region of the oven mold base.

[0022] The circumferentially closed edge arrangement gives the oven mold a comparatively high (torsional) stiffness, which simplifies its handling. Alternatively, the edge arrangement is formed, for example, by at least two edge bodies, in particular arranged separately from each other, which then extend over a partial area of ​​the oven mold base body.

[0023] At least the underside of the edge arrangement is flat.

[0024] The oven dish is designed, for example, as a baking tray, such as for preparing quiche, pizza, sheet cakes, muffins, cupcakes, or the like. Alternatively, it is designed as a casserole dish or grill dish. Further advantageous embodiments of the invention are specified in the dependent claims.

[0025] The oven dish base according to dependent claim 3 is at least partially deformable or elastic, which, for example, simplifies the removal of the prepared food from the oven dish base. The oven dish base is also compressible, particularly in its height, allowing for especially space-saving storage of the oven dish. Particularly good cooking results can thus be achieved.

[0026] The oven mold base body according to dependent claim 4 comprises fibers. It is advantageous if the oven mold base body is formed from a composite material. Preferably, the composite material comprises silicone and the fibers, in particular glass fibers. The silicone is preferably fiber-reinforced.

[0027] Advantageously, the oven base should spatially limit at least one food preparation area, particularly laterally and downwards.

[0028] For example, the oven dish has a base and a rim that adjoins the base at the edges and rises from the base to form a food preparation recess. Alternatively, the oven dish has, for example, a flat surface and at least one, preferably several, depressions extending from the surface, forming the food preparation recess(s).

[0029] According to a non-inventive embodiment, the edge arrangement is, in particular originally, a single piece. This is especially convenient for manufacturing. It is then, for example, arranged at the bottom or top of an edge region of the oven mold base body.

[0030] The edge arrangement according to dependent claim 6 imparts a certain (torsional) stiffness to the oven mold. Alternatively, the edge arrangement can also be deformable or elastic.

[0031] Preferably, the rim arrangement comprises silicone, nylon, metal and / or plastic, such as polybutylene terephthalate (PBT) or polyphthalamide (PPA).

[0032] The rim arrangement according to dependent claim 7 is particularly easy to manufacture. Furthermore, such an oven shape can be arranged particularly well in an oven, such as a baking oven, via the rim arrangement. This applies especially if the rim arrangement serves to engage with guides and / or rails in the oven, which is preferred. Particularly good adjustability is also ensured by such a rim arrangement.

[0033] The edge arrangement is fixed to the oven mold base body by material bonding, force bonding and / or form bonding in accordance with subclaim 8.

[0034] Preferably, the rim arrangement is glued, welded and / or injection-molded onto the oven mold base body.

[0035] The oven mold according to dependent claim 11 is particularly easy to handle and thus extremely user-friendly. It is advantageous if the at least one handle is formed by at least a partial extension of the rim arrangement to the side, a handle recess, or the like. The at least one handle is preferably an integral part of the rim arrangement. Alternatively, the at least one handle and the rim arrangement are originally designed separately.

[0036] The edge arrangement according to dependent claim 12 can be manufactured particularly cost-effectively.

[0037] The oven mold according to dependent claim 13 is designed particularly for home use. It is advantageous if the oven mold can be used in conventional ovens, especially baking ovens, which are used in normal household use.

[0038] Preferred embodiments are described below by way of example with reference to the accompanying drawing. These show: Fig. 1 a perspective view of an oven mold according to the invention, Fig. 2 a perspective view of an oven mold base body of the in Fig. 1 The oven mold shown, Fig. 3, is a perspective view of an upper rim section of the mold. Fig. 1 The oven mold shown, Fig. 4, is a perspective view of a lower rim section of the mold. Fig. 1 shown oven mold, Fig. 5 a partial section through the in Fig. 1 The oven mold shown, which shows the oven mold base body and the edge arrangement arranged on it, Fig. 6 is an exploded view of Fig. 5 Fig. 7 a perspective view of a non-inventive oven mold according to a second embodiment, Fig. 8 a perspective view of the edge arrangement of the in Fig. 7 oven mold shown, Fig. 9 a partial section through the in Fig. 7 The oven mold shown, which shows the oven mold base body and the edge arrangement arranged on it, and Fig. 10 an exploded view of Fig. 9 .

[0039] One in Fig. 1 The baking pan 1, shown in its entirety, is essentially rectangular. It is designed for use in conventional ovens, such as those found in homes. It can be inserted at different heights, for which corresponding rails or guides are provided in the oven.

[0040] The baking pan 1 has a basic body 2 which has a substantially planar surface 3. The surface 3 lies in a principal plane.

[0041] The baking pan 1 has several trough-shaped depressions 4, which are spaced apart from each other in the base body 2. The depressions 4 are identical in shape. They are arranged in rows or columns in the base body 2.

[0042] The depressions 4 are circular in the main plane. They extend downwards from the surface 3. The depressions 4 originate from a boundary edge 5, which lies in the main plane. A depression wall 6 of the base body 2 adjoins each boundary edge 5, bounding the corresponding depression 4 downwards and laterally. Each depression 4 has a circular cross-section. It is advantageous for each depression 4 to taper downwards from the boundary edge 5.

[0043] The basic body 2 has a laterally outer boundary region that is closed or endless on its circumference. The boundary region lies in the main plane.

[0044] The base body 2 is made of glass fiber reinforced silicone and is deformable. A glass fiber fabric or prepreg is exposed to a temperature between 100 °C and 300 °C for 10 to 30 minutes to form the base body 2. This is then dewaxed. Liquid silicone is sprayed onto it. The fabric or prepreg, now coated with liquid silicone, is then pressed or shaped in a hot press. Excess material is removed.

[0045] The baking mold 1 also has a rim assembly 7, which is attached to the base body 2 at its edge and is closed or continuous on its circumference. The rim assembly 7 has a substantially rectangular contour and extends laterally spaced from the recesses 4. It circumferentially surrounds the edge region of the base body 2.

[0046] The edge arrangement 7 comprises two longitudinal webs 8 running parallel to each other and two transverse webs 9 adjoining the longitudinal webs 8 at their ends, which run parallel to each other and extend essentially perpendicular to the longitudinal webs 8.

[0047] Furthermore, the edge arrangement 7 has two handles 10, which are advantageously formed on the crossbars 9. Each handle 10 is formed by a region of widening of the edge arrangement 7 laterally outwards.

[0048] The edge arrangement 7 consists of an upper edge part 11 and a lower edge part 12. The upper edge part 11 and the lower edge part 12 have essentially an identical shape.

[0049] The edge parts 11 and 12 have edge recesses 13 and 14, respectively, which, when the edge assembly 7 is mounted, are opposite each other and accommodate the edge region of the base body 2. The edge assembly 7 overlaps the base body 2 at its edge. The edge parts 11 and 12 touch each other in a laterally outer area. The recesses 13 and 14 together have a height that corresponds to the height or thickness of the edge region of the base body 2.

[0050] The edge parts 11, 12 are attached or fixed to the base body 2 by welding, such as ultrasonic welding, or bonding. They are each formed by injection molding.

[0051] The following refers to the Fig. 7 bis 10 A second embodiment is described. Identical parts are given the same reference numerals as in the previous embodiment, to whose description explicit reference is hereby made. Structurally different, but functionally similar, parts are given the same reference numerals with a suffix "a".

[0052] The in Fig. 7 The baking mold 1a shown in its entirety differs from the baking mold 1 according to the previous embodiment by its rim arrangement 7a. In contrast to the latter, the rim arrangement 7a is a single piece. It is formed solely by a rim section 12 that engages the rim region of the base body 2. The rim-side recess 14 has a height that corresponds to the height or thickness of the rim region of the base body 2. The rim section 12 also extends laterally alongside the base body 2. An upper surface of the rim section 12 is flush with the upper surface of the base body 2 laterally alongside the base body 2.

[0053] The base body 2 is placed in a mold of an injection molding machine. The edge part 12 is injection molded onto its lower edge. The handles 10 are also formed in this process.

[0054] According to an alternative embodiment not shown, analogous to the second embodiment, an edge part 11 is injection-molded onto the top edge area of ​​the base body 2.

Claims

1. Oven dish for preparing food, a) having an oven dish base body (2), which comprises silicone, and b) having an edge arrangement (7) arranged at the edge of the oven dish base body (2), which edge arrangement i) is stiffer than the oven dish base body (2), ii) is closed on the circumferential side, and iii) is geometrically adapted to an outer contour of the oven dish base body (2), c) wherein the edge arrangement (7) is composed of a lower edge part (12) and an upper edge part (11), d) wherein the edge parts (12, 11) are arranged on opposite sides of an edge region of the oven dish base body (2), e) wherein the edge arrangement (7) is arranged at the bottom and top of the edge region of the oven dish base body (2), f) wherein at least one lower side of the edge arrangement (7) is flat, characterised in that g) the edge arrangement (7) has a recess (13,1 4), in which the oven dish base body (2) engages, h) each edge part (12, 11) has a partial recess, whose overall height corresponds to a thickness of the edge region of the oven dish base body (2), and i) the edge arrangement (7) is arranged fixedly and non-detachably on the oven dish base body (2).

2. Oven dish according to claim 1, characterised in that the oven dish base body (2) is non-metallic.

3. Oven dish according to claim 1 or 2, characterised in that the oven dish base body (2) is flexible.

4. Oven dish according to one of the preceding claims, characterised in that the oven dish base body (2) comprises fibres, in particular glass fibres.

5. Oven dish according to claim 4, characterised in that the fibres are arranged in a mesh-like pattern.

6. Oven dish according to one of the preceding claims, characterised in that the edge arrangement (7) is rigid or substantially rigid.

7. Oven dish according to one of the preceding claims, characterised in that the edge arrangement (7) extends in a plane.

8. Oven dish according to one of the preceding claims, characterised in that the edge arrangement (7) is fixed to the oven dish base body (2) by a material fit, force fit, and / or form fit.

9. Oven dish according to claim 8, characterised in that the edge arrangement (7) is bonded to the oven dish base body (2).

10. Oven dish according to claim 8 or 9, characterised in that the edge arrangement (7) is welded to the oven dish base body (2).

11. Oven dish according to one of the preceding claims, characterised in that the edge arrangement (7) comprises at least one handle (10).

12. Oven dish according to one of the preceding claims, characterised in that the edge arrangement (7) is an injection-moulded part.

13. Oven dish according to one of the preceding claims, characterised in that it has a length of between 350 mm and 500 mm and a width of between 250 mm and 400 mm.

14. Method for producing an oven dish, in particular according to one of the preceding claims, comprising the steps of - providing an oven dish base body (2), which comprises silicone, and - arranging an edge arrangement (7) at the edge of the oven dish base body (2), wherein the edge arrangement (7) -- is stiffer than the oven dish base body (2), -- is closed on the circumferential side, -- is geometrically adapted to an outer contour of the oven dish base body (2), -- is composed of a lower edge part (12) and an upper edge part (11), wherein the edge parts (12, 11) are arranged on opposite sides of an edge region of the oven dish base body (2), -- is arranged at the bottom and top of the edge region of the oven dish base body (2), and -- has a recess (13,1 4), in which the oven dish base body (2) engages, -- wherein at least one lower side of the edge arrangement (7) is flat, -- wherein the edge arrangement (7) is arranged fixedly and non-detachably on the oven dish base body (2), -- wherein each edge part (12, 11) has a partial recess, whose overall height corresponds to a thickness of the edge region of the oven dish base body (2).