EP1316636A1 - Verstärkter deckel für elektrische haushaltsgeräte und herstellungsverfahren - Google Patents
Verstärkter deckel für elektrische haushaltsgeräte und herstellungsverfahren Download PDFInfo
- Publication number
- EP1316636A1 EP1316636A1 EP01960755A EP01960755A EP1316636A1 EP 1316636 A1 EP1316636 A1 EP 1316636A1 EP 01960755 A EP01960755 A EP 01960755A EP 01960755 A EP01960755 A EP 01960755A EP 1316636 A1 EP1316636 A1 EP 1316636A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid
- panel
- frame
- reinforced
- injection
- 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.)
- Granted
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
Definitions
- the present invention refers to a reinforced lid for household electrical appliances, which combines optimum functional capabilities, both from the standpoint of mechanical strength and of preservation in relation to the humid environment in which it has to work, with low manufacturing cost.
- the invention is of specially applicable for producing those lids which form the upper closure of household washing machines.
- the invention also concerns the procedure for manufacturing said lid.
- the well-known and most widely used structure in washing machine lids is formed of a hardboard panel clad with melamine paper and bonded to a moulded plastic frame with adhesives or resins, either directly or else between two frames, the upper and lower.
- the panel and frame are usually joined by beads of adhesive on each face of the panel, so that they protect its edges not clad with melamine from moisture.
- the most lasting and therefore most desirable solution would consist of the replacement on the lid of the hardboard panel whose live matter (wood chips) is highly hygroscopic, which constitutes a permanent risk of degradation due to the inevitable presence of humidity in washing machines.
- Injected plastic lids have been used for this purpose, but they have not given satisfactory results as only those made with thermoplastic materials, which have a prohibitive cost in competitive terms, meet the technical requirements imposed by household electrical appliance manufacturers.
- the purpose of the invention constituting the object of this Patent consists of eradication of the drawbacks entailed in the use of hardboard panels in washing machine lids and replacing them with other suitable materials capable of meeting the requisite technical standards.
- the requirements are basically of two kinds:
- the present Patent application claims creation of washing machine lids with metal reinforcements to increase their mechanical strength above the minimum values required.
- the design of the reinforcements has allowed for the fact that the load to be withstood by the lid (1000 N in the central area) is vertical and in an inward direction, so that a principle similar to that of the mechanical performance of reinforced concrete is utilized to offset it, establishing the reinforcements in the areas in which the lid is subject to load bending stress.
- the reinforcements consist of thin steel bands arranged on planes perpendicular to the inside of the lid, parallel to one another and to the lid hinge axis, and equidistant.
- these bands At their end of application to the inner plane of the lid these bands have a little orthogonal bearing tab, while they are overinjected with a plastic coating and protected against lateral deformation (overturn) by means of brackets spread along either side of them.
- the lid structure comprises: a low mechanical performance plastic panel, formed in a moulding process, which has its upper and outer faces coated with a sheet of melamine bonded with heat-activated glue or a transparent film decorated on the inner face, stuck during the moulding process, the panel being reinforced with metal shapes according to the foregoing description and the assembly overinjected with a high performance plastic frame clasping it by its edges.
- the procedure for manufacturing the reinforced lids comprises the following consecutive operations:
- the low performance plastic panel and the over-injected frame clasping it by its edges are replaced with a single piece forming both the panel and the frame, moulded with low performance material (recycled) and coated entirely with heat-formed transparent film decorated on its inner face for application on the single panel-cum-frame piece.
- the last injection machine for frame over-injection can be dispensed with in the lid manufacturing process as the lids will come off the two parallel injection machines in an already finished state.
- the low performance plastic panel and the over-injected frame clasping it by its edges are replaced by a single piece forming the panel and the frame, moulded with virgin (first time use) material, with the result that the part of the single piece corresponding to the panel is coated with melaminized paper stuck to the upper face of the lid plane with heat-activated glue.
- the last injection machine for frame over-injection can be dispensed with in the lid manufacturing process as the lids will leave the two parallel injection machines in an already finished state.
- the low temperature plastic panel and the over-injected frame are separated by modifying the arrangement of the panel-cum-frame, so that the latter, instead of clasping the panel by its edges, is superimposed on it round its upper outside edges, both pieces being joined by a bead of adhesive running round the perimeter of the lower or inner face of the panel, between its edge and the inner face of the frame walls, the panel being clad with melaminized paper stuck with heat-activated glue to the upper face of the lid plane.
- the low performance plastic (recycled) panel and the frame over-injected with unused material are separated by modifying the arrangement of the panel-frame assembly so that the latter, instead of clasping the panel by its edges, is superimposed on it in its upper perimeter area, both pieces being joined by an ultrasonic weld bead running round the upper or outer face of the panel, between its edge and the inner face of the superimposed part of the frame, the panel being clad with melaminized paper stuck with heat-activated glue to the upper face of the lid plane.
- Figure 1 is a vertical plane sectional view of one of the vertices of the reinforced lid.
- Figure 2 shows a cross-sectional view of the form and layout of the metal reinforcements.
- Figure 3 shows a diagram of the plan distribution of the working elements involved in the development of the process claimed.
- Figure 4 shows a vertical plane sectional view of the structure of one of the vertices of the improved lid, according to another embodiment version.
- Figure 5 shows a cross-sectional view of the form and layout of the metal reinforcements in the improved lid of the previous figure.
- Figure 6 shows a vertical plane sectional view of the structure of one of the vertices of the improved lid, according to another embodiment version.
- Figure 7 shows a cross-sectional view of the form and layout of the metal reinforcements on the improved lid of the previous figure.
- Figure 8 shows a vertical plane sectional view of one of the vertices of the improved cover, according to another embodiment version.
- Figure 9 shows a cross-sectional view of the form and layout of the metal reinforcements in the improved lid of the previous figure.
- Figure 10 shows a vertical plane sectional view of the structure of one of the vertices of the improved lid, according to another embodiment version.
- Figure 11 shows a cross-sectional view of the form and layout of the metal reinforcements in the improved lid of the previous figure.
- the reinforcements consist of thin strips (1) of steel arranged on planes perpendicular to the inside of the lid, parallel to one another and to its hinge axis and equidistant, which at their end of application to the inner plane of the lid have a little orthogonal bearing tab (2), while the aforesaid strips (1) are over-injected with a plastic coating (3) and protected against lateral deformation (turnover) by means of brackets spread along either side of same.
- Their structure comprises: a low mechanical performance plastic panel, formed in the moulding process, which has its upper or outer face clad with a sheet of melamine (6) bonded with a heat-activated glue or with a transparent film decorated on its inner face, bonded in the moulding process, the panel being reinforced with metal shapes (1) and the assembly over-injected with a high performance plastic frame (7) which clasps it by its edges.
- the procedure for manufacturing the lids comprises the following consecutive operations:
- the structure is formed of a single piece making up the panel (5') and the frame (7'), moulded with recycled material and wholly coated with thermoformed transparent film (6') decorated on its inner face for application on the single panel and frame piece.
- the other components of the lid are maintained with the same references as those of the first embodiment of figures 1 and 2 as there is no variation in any of their characteristics.
- the procedure for manufacturing the reinforced lid in accordance with the embodiment of figures 3 and 4 it varies in that the last injection stage described in the first embodiment is omitted and that it is used for over-injecting the frame, as the panel and frame assembly are moulded initially as a single piece, so that the lid assembly leaves the injection machines, which are used for over-injecting the metal reinforcements, in finished condition.
- the structure is also formed of a single piece making up the panel (5') and the frame (7'), moulded with virgin (i.e. first use) material, where the part of the single piece corresponding to the panel (5') is clad with melaminized paper (6), stuck with heat-activated glue to the upper face of the lid plane.
- virgin (i.e. first use) material where the part of the single piece corresponding to the panel (5') is clad with melaminized paper (6), stuck with heat-activated glue to the upper face of the lid plane.
- the procedure for manufacturing the reinforced lid in accordance with the embodiment of figures 5 and 6, it varies in that the last injection stage, which is described in the first embodiment and intended for frame over-injection, is omitted as the panel and frame are moulded initially as a single piece, so that the lid assembly leaves the injection machines, which are used for over-injecting the metal reinforcements, in finished condition.
- the configuration defined by the union between the panel (5") and the frame (7") is modified so that, instead of clasping the panel (5") by its edges, said frame (7") is superimposed on it in its upper perimeter area, both pieces being joined by a bead of adhesive running round the lower or inner face of the panel (5"), between its edge and the inner face of the walls of the frame (7"), the panel (5") being clad with melaminized paper (6) stuck with heat-activated glue to the upper face of the lid plane.
- the structure is based on the separation of the low performance (recycled) plastic panel from the frame over-injected with virgin material, specified in the first embodiment of figures 1 and 2, modifying the arrangement of the panel (5"')-frame (7"') union so that, instead of clasping panel (5"') by its edges, the latter is superimposed on it in its upper perimeter area, both pieces being joined by an ultrasonic weld bead (17) running round the upper or outer face of the panel, between its edge and the inner face of the superimposed part of the frame (7"'), the panel being clad with melaminized paper (6) stuck with heat-activated glue to the upper face of the lid plane.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200002122 | 2000-08-24 | ||
ES200002124A ES2170695B1 (es) | 2000-07-07 | 2000-08-24 | Tapa reforzada para electrodomesticos y trodomesticos y procedimiento para su fabricacion. |
ES200002125 | 2000-08-24 | ||
ES200002125A ES2170696B1 (es) | 2000-07-07 | 2000-08-24 | Tapa reforzada para electrodomesticos y trodomesticos y procedimiento para su fabricacion. |
ES200002123A ES2170694B1 (es) | 2000-07-07 | 2000-08-24 | Tapa reforzada para electrodomesticos y trodomesticos y procedimiento para su fabricacion. |
ES200002124 | 2000-08-24 | ||
ES200002122A ES2170693B1 (es) | 2000-07-07 | 2000-08-24 | Tapa reforzada para electrodomesticos y trodomesticos y procedimiento para su fabricacion. |
ES200002123 | 2000-08-24 | ||
PCT/ES2001/000325 WO2002016687A1 (es) | 2000-08-24 | 2001-08-21 | Tapa reforzada para electrodomesticos y procedimiento para su fabricación |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1316636A1 true EP1316636A1 (de) | 2003-06-04 |
EP1316636B1 EP1316636B1 (de) | 2005-02-02 |
Family
ID=27444001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01960755A Expired - Lifetime EP1316636B1 (de) | 2000-08-24 | 2001-08-21 | Verstärkter deckel für elektrische haushaltsgeräte und herstellungsverfahren |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1316636B1 (de) |
AT (1) | ATE288513T1 (de) |
AU (1) | AU2001282154A1 (de) |
DE (1) | DE60108766T2 (de) |
PL (1) | PL361407A1 (de) |
WO (1) | WO2002016687A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016039701A1 (en) * | 2014-09-09 | 2016-03-17 | Çevi̇k Berkut | A top plate and its production method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8293532B2 (en) | 2009-03-26 | 2012-10-23 | Dow AgroSciences, L.L.C. | Method and apparatus for tissue transfer |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2833863A1 (de) * | 1978-08-02 | 1980-02-21 | Puren Schaumstoff Gmbh | Aufsatz fuer schrankartige kuechengeraete |
DE3326445A1 (de) * | 1983-07-22 | 1985-01-31 | Werzalit-Werke J.F. Werz KG, 7141 Oberstenfeld | Abdeckplatte fuer haushaltsmaschinen |
DE3840877A1 (de) * | 1988-12-05 | 1990-06-07 | Roemmler H Resopal Werk Gmbh | Dekorative schichtpressstoffplatte und verfahren zur herstellung einer deckschicht hierfuer |
SE463502B (sv) * | 1989-02-14 | 1990-12-03 | Rolf Wiberg | Metallfiberarmerat packningsmaterial samt foerfarande foer dess framstaellning |
IT1257601B (it) * | 1992-07-21 | 1996-02-01 | Procedimento perfezionato per la preparazione di bordi di pannelli truciolari successivamente da rivestire, e pannello cosi' ottenuto | |
DE19601124A1 (de) * | 1995-04-06 | 1996-10-10 | Miele & Cie | Abdeckplatte |
GB2309408A (en) * | 1996-01-23 | 1997-07-30 | Yeh Don Fong | Manufacturing a melamine covered composite article |
DE19746383A1 (de) * | 1997-10-21 | 1999-04-22 | Hofa Homann Gmbh & Co Kg | Verfahren und Vorrichtung zur Herstellung von Faserplatten sowie nach dem Verfahren hergestellte Faserplatten |
-
2001
- 2001-08-21 AT AT01960755T patent/ATE288513T1/de not_active IP Right Cessation
- 2001-08-21 EP EP01960755A patent/EP1316636B1/de not_active Expired - Lifetime
- 2001-08-21 AU AU2001282154A patent/AU2001282154A1/en not_active Abandoned
- 2001-08-21 DE DE60108766T patent/DE60108766T2/de not_active Expired - Fee Related
- 2001-08-21 PL PL36140701A patent/PL361407A1/xx unknown
- 2001-08-21 WO PCT/ES2001/000325 patent/WO2002016687A1/es active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0216687A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016039701A1 (en) * | 2014-09-09 | 2016-03-17 | Çevi̇k Berkut | A top plate and its production method |
Also Published As
Publication number | Publication date |
---|---|
PL361407A1 (en) | 2004-10-04 |
ATE288513T1 (de) | 2005-02-15 |
WO2002016687A1 (es) | 2002-02-28 |
AU2001282154A1 (en) | 2002-03-04 |
EP1316636B1 (de) | 2005-02-02 |
DE60108766D1 (de) | 2005-03-10 |
DE60108766T2 (de) | 2006-01-05 |
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