Patents by Inventor Olaf Zoellner
Olaf Zoellner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130265776Abstract: The invention relates to a method for producing an optical moulded body (2), in particular a lens element (2), comprising producing a pre-moulding (4) in a moulding tool by injection moulding of a first plastics material and producing at least one covering layer (6.1, 6.2) on the pre-moulding (4) by injection moulding of a second plastics material, wherein the temperature of the moulding tool for producing the pre-moulding (4) is from 30% to 60% lower than the temperature of the moulding tool for producing the at least one covering layer (6.1, 6.2).Type: ApplicationFiled: November 24, 2011Publication date: October 10, 2013Applicant: Bayer Intellectual Property GmbHInventors: Olaf Zöllner, Christoph Klinkenberg, Christoph Hermansen, Manfred Botzen
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Patent number: 8455105Abstract: Multi-layer composites comprising: (a) a first scratch-resistant coating layer comprising a first coating (primer); (b) a thermoplastic layer; and (c) a second scratch-resistant coating layer comprising a second coating (primer); wherein the first scratch-resistant coating layer and the second scratch-resistant coating layer are disposed on opposing sides of the thermoplastic layer; wherein the first coating and the second coating are not the same; and wherein the first scratch-resistant coating layer and the second scratch-resistant coating layer are selected such that a multi-layer composite having the first scratch-resistant layer disposed on both sides of the thermoplastic layer has a lower critical impact speed for tough/brittle transition at ?30° C. according to DIN EN ISO 6603-1 than a multi-layer composite having the second scratch-resistant layer disposed on both sides of the thermoplastic layer; processes for producing the same; and uses therefor.Type: GrantFiled: February 13, 2009Date of Patent: June 4, 2013Assignee: Bayer Intellectual Property GmbHInventors: Sven Hobeika, Olaf Zöllner, Peter Capellen, Roderich Kammerer
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Patent number: 8287789Abstract: A process for the production of a molded article is disclosed. The process comprise a) placing a plastic film abutting the inside wall of a first half of a mold, said mold including a first and second halves, b) combining said second half with said first half in a manner creating a mold cavity, c) injecting resin into said cavity to produce an article to which surface adherently bonded is said plastic film, d) separating one of the halves from the other half, said article remaining with said other half, e) combining a supplemental half with said other half in a manner forming a gap between the inner wall of said supplemental half and the surface of said molded article, f) injecting lacquer into said gap, g) curing the lacquer to produce a lacquered molded article, and h) cooling and removing the lacquered molded article from the mold. The inventive process is particularly suitable for making vehicular mirrors.Type: GrantFiled: December 21, 2005Date of Patent: October 16, 2012Assignee: Bayer MaterialScience AGInventors: Olaf Zöllner, Thorsten Just, Winfried Kohl
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Publication number: 20120203375Abstract: A computer-implemented method for optimising an injection moulding process for producing thick-walled components based on a model parameterised on the basis of parameters to be predetermined is provided, wherein a component to be produced is represented in the model with a component geometry, and the method comprises at least the following steps: e) defining a group of parameters as primary characteristics on the basis of a relative influence of the parameters on a predetermined model response, and f) defining parameter values for the primary characteristics as starting values for a subsequent optimisation of the model and of respective tolerance ranges for the primary characteristics, c) optimising the parameter values of the individual primary characteristics with respect to a desired value of the model response in the respective tolerance ranges, proceeding from the starting values from step a), and d) setting the optimised parameter values from step c) as the corresponding starting parameter values on anType: ApplicationFiled: October 12, 2010Publication date: August 9, 2012Inventors: Florian Dorin, Christoph Klinkenberg, Olaf Zoellner
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Publication number: 20120130015Abstract: The present invention relates to a method for the accelerated production of thermoplastic molded bodies containing additives in reproducible quality, particularly for the accelerated production of dyed thermoplastic molded bodies with high color consistency.Type: ApplicationFiled: July 31, 2010Publication date: May 24, 2012Applicant: Bayer MaterialScience AGInventors: Klaus Horn, Olaf Zoellner, Gianmaria Malvestiti, Andrea Scagnelli, Massimo Tironi
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Patent number: 7790089Abstract: A process for in-mold coating and a mold is disclosed. The process entails (i) obtaining a mold having at least two cavities, (ii) molding a thermoplastic substrate in a first cavity, (iii) introducing the substrate into a second cavity, and (iv) coating said substrate with lacquer, the coating being carried out under enhanced pressure.Type: GrantFiled: December 20, 2005Date of Patent: September 7, 2010Assignee: Bayer MaterialScience AGInventors: Olaf Zöllner, Thorsten Just, Jörg Tillack, Bernd Hausstätter, Michael Glawe, Klaus Konejung, Steffen Lang
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Publication number: 20060188693Abstract: An article of manufacture that includes a thermoplastic sheet fixedly attached to a perforated support is described. The article includes: a support having a plurality of perforations having edges, a first surface and a second surface; and a thermoplastic sheet having a first surface and a second surface. At least a portion of the second surface of the thermoplastic sheet is in contact with at least a portion of the first surface of the support. The thermoplastic sheet is fixedly attached to the support by means of a portion of the thermoplastic sheet extending through at least some of the perforations and is continuous with attachment heads on the second surface side of the support, and the edges of the perforations are embedded in the thermoplastic material extending therethrough.Type: ApplicationFiled: March 6, 2006Publication date: August 24, 2006Inventors: Norman Brozenick, Olaf Zoellner
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Patent number: 7063811Abstract: The present invention is directed to a method of preparing an article of manufacture. The method includes bringing at least a portion of a heated thermoplastic sheet into contact with at least a portion of the first surface of a support having a plurality of perforations. A vacuum is formed on the second surface of the support, and portions the heated thermoplastic sheet are drawn through the perforations of the support and to the second surface side of the support. Thermoplastic attachment heads are formed on the second surface side of the support, from the thermoplastic material of the sheet that is drawn through the perforations. The thermoplastic sheet and the support are fixedly attached one to the other by means of the edges of the perforations being embedded in the thermoplastic material of the sheet drawn therethrough, and the thermoplastic attachment heads. Also disclosed are articles of manufacture, such as interior and exterior automotive body panels and components.Type: GrantFiled: September 30, 2005Date of Patent: June 20, 2006Assignee: Bayer Materialscience LLCInventors: Norman J. Brozenick, Olaf Zoellner
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Patent number: 7045090Abstract: The present invention is directed to a method of preparing an article of manufacture. The method includes bringing at least a portion of a heated thermoplastic sheet into contact with at least a portion of the first surface of a support having a plurality of perforations. A vacuum is formed on the second surface of the support, and portions the heated thermoplastic sheet are drawn through the perforations of the support and to the second surface side of the support. Thermoplastic attachment heads are formed on the second surface side of the support, from the thermoplastic material of the sheet that is drawn through the perforations. The thermoplastic sheet and the support are fixedly attached one to the other by means of the edges of the perforations being embedded in the thermoplastic material of the sheet drawn therethrough, and the thermoplastic attachment heads. Also disclosed are articles of manufacture, such as interior and exterior automotive body panels and components.Type: GrantFiled: June 6, 2003Date of Patent: May 16, 2006Assignee: Bayer MaterialScience LLCInventors: Norman J. Brozenick, Olaf Zoellner
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Publication number: 20060022381Abstract: The present invention is directed to a method of preparing an article of manufacture. The method includes bringing at least a portion of a heated thermoplastic sheet into contact with at least a portion of the first surface of a support having a plurality of perforations. A vacuum is formed on the second surface of the support, and portions the heated thermoplastic sheet are drawn through the perforations of the support and to the second surface side of the support. Thermoplastic attachment heads are formed on the second surface side of the support, from the thermoplastic material of the sheet that is drawn through the perforations. The thermoplastic sheet and the support are fixedly attached one to the other by means of the edges of the perforations being embedded in the thermoplastic material of the sheet drawn therethrough, and the thermoplastic attachment heads. Also disclosed are articles of manufacture, such as interior and exterior automotive body panels and components.Type: ApplicationFiled: September 30, 2005Publication date: February 2, 2006Inventors: Norman Brozenick, Olaf Zoellner
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Publication number: 20050001450Abstract: A method of preparing a molded cross vehicle beam which includes a hollow blow molded thermoplastic rigid member that is integrally attached to a rigid support, e.g., a U-shaped metal plate, and at least one attachment element, is described. The rigid support (12) has a first surface, a second surface and a plurality of perforations having edges. The attachment element(s) (81, 84) have a first surface, a second surface and a plurality of perforations having edges. The attachment element provides a means of attaching the molded cross vehicle beam to a separate structure (e.g., the A-pillars of an automobile). A thermoplastic parison precursor of the hollow rigid thermoplastic member (15) is blow molded against the first surfaces of the rigid support (12) and the attachment element (81, 84).Type: ApplicationFiled: December 16, 2003Publication date: January 6, 2005Inventors: Christopher Cooper, Olaf Zoellner
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Publication number: 20040247828Abstract: The present invention is directed to a method of preparing an article of manufacture. The method includes bringing at least a portion of a heated thermoplastic sheet into contact with at least a portion of the first surface of a support having a plurality of perforations. A vacuum is formed on the second surface of the support, and portions the heated thermoplastic sheet are drawn through the perforations of the support and to the second surface side of the support. Thermoplastic attachment heads are formed on the second surface side of the support, from the thermoplastic material of the sheet that is drawn through the perforations. The thermoplastic sheet and the support are fixedly attached one to the other by means of the edges of the perforations being embedded in the thermoplastic material of the sheet drawn therethrough, and the thermoplastic attachment heads. Also disclosed are articles of manufacture, such as interior and exterior automotive body panels and components.Type: ApplicationFiled: June 6, 2003Publication date: December 9, 2004Inventors: Norman J. Brozenick, Olaf Zoellner
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Patent number: 6637788Abstract: The safety bumper includes: (a) a bumper basic body (4) having a forward surface; (b) a bumper bar (5); (c) a mounting member (11); (d) a cross-bar (10) of the vehicle, (e) at least one of a deployable energy-absorbing element (9; 32, 33, 39, 41; 52, 60) positioned above the mounting member (11) and a deployable energy-absorbing element (17, 20; 38, 46; 64) positioned below mounting member (11); and (f) an impact sensor (6) located in bumper bar (5). The bumper bar (5) is connected to bumper basic body (4) and extends through to the forward surface of bumper basic body (4), bumper bar (5) is also connected to mounting member (11), and mounting member (11) is located behind bumper basic body (4) and bumper bar (5). The mounting member (11) is connected to cross-bar (10), which is located behind mounting member (11).Type: GrantFiled: January 4, 2002Date of Patent: October 28, 2003Assignee: Bayer AktiengesellschaftInventors: Olaf Zöllner, Andreas Lang, Thorsten Bredemann