Patents by Inventor Robert M. Biegler
Robert M. Biegler 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: 20230311120Abstract: An optical system for examining an optical characteristic of a test material at at least a first wavelength includes an elongated hollow structure elongated along a length thereof and having one or more walls extending along the length of the hollow structure and defining an elongated chamber therebetween configured to receive the test material. The elongated hollow structure includes at least a first light opening, such that for the at least the first wavelength, the one or more walls have an optical reflectance of greater than about 50% for incident angles of up to at least 40 degrees, and at least one of the at least the first light opening has an optical transmittance of greater than about 50% for at least one incident angle.Type: ApplicationFiled: March 20, 2023Publication date: October 5, 2023Inventors: Bharat R. Acharya, Kurt J. Halverson, Robert M. Biegler, Timothy J. Lindquist, John Allen Wheatley, James A. Phipps, Joshua J. Loga, Brett J. Sitter
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Publication number: 20230273119Abstract: An optical well is configured to receive a test sample for examining an optical characteristic of the sample at a first wavelength in a predetermined wavelength range. The optical well includes a wall having a bottom wall portion and a sidewall portion defining a chamber for receiving the test sample, and an optical film formed into a shape so that a portion of the sidewall portion includes a first portion of the optical film, and a portion of the bottom wall portion includes a second portion of the optical film. For a normally incident light, the microlayers in each of the first and second portions have an average optical reflectance of greater than about 80% in the predetermined wavelength range. The forming results in the plurality of microlayers of the integral formed optical film having a thinnest portion and a thickest portion having a thickness difference of at least 30%.Type: ApplicationFiled: February 17, 2023Publication date: August 31, 2023Inventors: Bharat R. Acharya, Raj Rajagopal, Gregory W. Sitton, Benjamin G. Sonnek, Robert M. Biegler, Gilles J. Benoit, Timothy J. Lindquist, John A. Wheatley, Kristal L. Schutta, James A. Phipps
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Publication number: 20230256704Abstract: This disclosure describes co-extruded multilayer articles including at least one continuous layer and one discontinuous layer, as well as systems and techniques for the manufacture of co-extruded multilayer articles. For example, a co-extruded multilayer article is described that includes a body having a plurality of layers, where a first layer of the plurality of layers is formed from a first material and is continuous along a longitudinal axis of the body, and a second layer of the plurality of layers is formed from a second material and is discontinuously co-extruded along the longitudinal axis.Type: ApplicationFiled: February 17, 2023Publication date: August 17, 2023Inventors: Robert M. Biegler, Mark A. Hoisington, Craig R. Hoff, Anton F. Jachim, Jeffrey M. Maki, Derek W. Patzman, Thomas J. Blong, Jay M. Jennen, Erik A. Aho, David V. Mahoney
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Patent number: 11618237Abstract: This disclosure describes co-extruded multilayer articles including at least one continuous layer and one discontinuous layer, as well as systems and techniques for the manufacture of co-extruded multilayer articles. For example, a co-extruded multilayer article is described that includes a body having a plurality of layers, where a first layer of the plurality of layers is formed from a first material and is continuous along a longitudinal axis of the body, and a second layer of the plurality of layers is formed from a second material and is discontinuously co-extruded along the longitudinal axis.Type: GrantFiled: March 5, 2020Date of Patent: April 4, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Robert M. Biegler, Mark A. Hoisington, Craig R. Hoff, Anton F. Jachim, Jeffrey M. Maki, Derek W. Patzman, Thomas J. Blong, Jay M. Jennen, Erik A. Aho, David V. Mahoney
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Publication number: 20220163713Abstract: A multilayer optical film includes a plurality of polymeric layers arranged sequentially adjacent to each other. A difference in thickness between spaced apart first and second polymeric layers in the plurality of polymeric layers is less than about 10%. Each polymeric layer that is disposed between the first and second polymeric layers has a thickness less than about 400 nm. Each layer in a group of at least three polymeric layers in the plurality of polymeric layers that are disposed between the first and second polymeric layers has a thickness greater than an average thickness of the first and second polymeric layers by about 20% to about 500%. The group of at least three polymeric layers includes at least one pair of immediately adjacent polymeric layers.Type: ApplicationFiled: May 20, 2020Publication date: May 26, 2022Inventors: Adam D. Haag, William B. Black, Robert M. Biegler, Matthew B. Johnson, Edward J. Kivel
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Publication number: 20200282691Abstract: This disclosure describes co-extruded multilayer articles including at least one continuous layer and one discontinuous layer, as well as systems and techniques for the manufacture of co-extruded multilayer articles. For example, a co-extruded multilayer article is described that includes a body having a plurality of layers, where a first layer of the plurality of layers is formed from a first material and is continuous along a longitudinal axis of the body, and a second layer of the plurality of layers is formed from a second material and is discontinuously co-extruded along the longitudinal axis.Type: ApplicationFiled: March 5, 2020Publication date: September 10, 2020Inventors: Robert M. Biegler, Mark A. Hoisington, Craig R. Hoff, Anton F. Jachim, Jeffrey M. Maki, Derek W. Patzman, Thomas J. Blong, Jay M. Jennen, Erik A. Aho, David V. Mahoney
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Patent number: 10625479Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: GrantFiled: November 10, 2017Date of Patent: April 21, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Publication number: 20180086014Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: ApplicationFiled: November 10, 2017Publication date: March 29, 2018Inventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Patent number: 9833956Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: GrantFiled: May 6, 2011Date of Patent: December 5, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Publication number: 20170225380Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: ApplicationFiled: April 24, 2017Publication date: August 10, 2017Inventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Patent number: 9630356Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: GrantFiled: May 6, 2011Date of Patent: April 25, 2017Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Patent number: 9393729Abstract: A method is disclosed that includes forming a plurality of polymer layers via a plurality of slots, wherein the plurality of layers are combined to generate a multilayer polymer flow stream; and controlling heat flow to the plurality of slots in conjunction with the formation of the plurality of polymer layers. The multilayer polymer flow stream may be used to generate a multilayer film. In some embodiments, the cross-web layer thickness profile may be controlled by controlling heat flow to the plurality of slots that form the plurality of polymer layers.Type: GrantFiled: January 10, 2011Date of Patent: July 19, 2016Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kristopher J. Derks, Robert M. Biegler, Terence D. Neavin
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Patent number: 9162406Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: GrantFiled: April 25, 2011Date of Patent: October 20, 2015Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Patent number: 8561845Abstract: Capsule (10) for two or more components of a material which are to be mixed together, comprising a cartridge (11) comprising an outlet (12), a first component chamber (13) for containing a first component, and a second component chamber (14) for containing a second component, the two chambers (13, 14) opening into the outlet (12); and a piston (15) which at least with its front end sits in the cartridge (11), lies with its rear end outside the component chambers (13, 14) and, when it is pushed forwards, presses the two components out of their component chambers (13, 14).Type: GrantFiled: December 22, 2010Date of Patent: October 22, 2013Assignees: 3M Innovative Properties Company, 3M ESPE AGInventors: Dean K Reidt, Darin J Meyertholen, Bruce R Broyles, Robert Lee, Robert M Biegler, Arno Hohmann, Marc Peuker, Michael Knee
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Publication number: 20130127086Abstract: A method and an apparatus for forming a plurality of polymer layers via a plurality of slots (60), wherein the plurality of layers are combined to generate a multilayer polymer flow stream; and controlling heat flow to the plurality of slots in conjunction with the formation of the plurality of polymer layers. The multilayer polymer flow stream may be used to generate a multilayer film. In some embodiments, the cross-web layer thickness profile may be controlled by controlling heat flow from heaters (54a, 54b) to the plurality of slots that form the plurality of polymer layers.Type: ApplicationFiled: January 10, 2011Publication date: May 23, 2013Inventors: Kristopher J. Derks, Robert M. Biegler, Terence D. Neavin
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Publication number: 20130042964Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: ApplicationFiled: April 25, 2011Publication date: February 21, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Publication number: 20130011506Abstract: Generally, the present description relates to a feedblock and a multilayer film die for creating polymeric multilayered films. The feedblock includes a stack of many layers of thin metal plates having flow profile cutouts, to create alternating layers of polymer.Type: ApplicationFiled: March 3, 2011Publication date: January 10, 2013Inventors: William T. Fay, Terence D. Neavin, Robert M. Biegler, William J. Kopecky, Daniel J. Zillig
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Patent number: 8136657Abstract: Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.Type: GrantFiled: September 8, 2010Date of Patent: March 20, 2012Assignee: 3M Innovative Properties CompanyInventors: Naimul Karim, Darin J. Meyertholen, Robert M. Biegler, Kevin M. Cummings, Lance C. Gore, James R. Kvitrud, Robert W. Peterson, Daniel T. Scott
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Publication number: 20110272832Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: ApplicationFiled: May 6, 2011Publication date: November 10, 2011Inventors: Terence D. Neavin, Robert M. Biegler, William T. Fay
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Publication number: 20110272849Abstract: A feedblock including a first packet creator that forms a first packet including a first plurality of polymeric layers, the first plurality of layers including at least four first individual polymeric layers; and a second packet creator that forms a second packet including a second plurality of polymeric layers, the second plurality of layers including at least four second individual polymeric layers, wherein the first and second packet creators are configured such that, for each packet creator, respective individual polymeric layers of the plurality of polymeric layers are formed at approximately the same time. The feedblock may include a packet combiner that receives and combines the first and second primary packets to form a multilayer stream. In some examples, at least one of the first and second primary packets may be spread in the cross-web direction prior to being combined with one another.Type: ApplicationFiled: May 6, 2011Publication date: November 10, 2011Inventors: Terence D. Neavin, Robert M. Biegler, William T. Fay