Patents Assigned to Quadrant Plastic Composites AG
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Patent number: 11633939Abstract: A method for producing a planar composite component having a core layer (B), which is arranged between and integrally bonded to two cover layers (A, A?), wherein the cover layers contain a cover-layer thermoplastic and wherein the core layer contains a core-layer thermoplastic, comprises the following steps: a) a heated stack with layer sequence A-B-A? is provided; b) the heated stack (A-B-A?) is pressed; c) the pressed stack is cooled, whereby the planar composite component with consolidated layers integrally bonded to each other is formed. To improve the production method including the producibility of planar 3D components, it is proposed, that at least one of the cover layers (A, A?) in unconsolidated form comprises a fibrous nonwoven layer of 10 to 100 wt.-% thermoplastic fibers of the cover-layer thermo-plastic and 0 to 90 wt.Type: GrantFiled: April 3, 2018Date of Patent: April 25, 2023Assignee: QUADRANT PLASTIC COMPOSITES, AGInventor: Burak Baser
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Publication number: 20210197519Abstract: A method for producing a planar composite component having a core layer (B), which is arranged between and integrally bonded to two cover layers (A, A?), wherein the cover layers contain a cover-layer thermoplastic and wherein the core layer contains a core-layer thermoplastic, comprises the following steps: a) a heated stack with layer sequence A-B-A? is provided; b) the heated stack (A-B-A?) is pressed; c) the pressed stack is cooled, whereby the planar composite component with consolidated layers integrally bonded to each other is formed. To improve the production method including the producibility of planar 3D components, it is proposed, that at least one of the cover layers (A, A?) in unconsolidated form comprises a fibrous nonwoven layer of 10 to 100 wt.Type: ApplicationFiled: April 3, 2018Publication date: July 1, 2021Applicant: QUADRANT PLASTIC COMPOSITES AGInventor: Burak BASER
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Patent number: 10974481Abstract: A planar composite material comprises an UD fiber layer A made of discrete reinforcing fiber rovings and a fiber nonwoven layer B made of a thermoplastic nonwoven which may contain reinforcing fibers, wherein the layers A and B are needled to each other.Type: GrantFiled: May 1, 2018Date of Patent: April 13, 2021Assignee: Quadrant Plastic Composites AGInventor: Burak Baser
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Publication number: 20180272654Abstract: A planar composite material comprises an UD fiber layer A made of discrete reinforcing fiber rovings and a fiber nonwoven layer B made of a thermoplastic nonwoven which may contain reinforcing fibers, wherein the layers A and B are needled to each other.Type: ApplicationFiled: May 1, 2018Publication date: September 27, 2018Applicant: QUADRANT PLASTIC COMPOSITES AGInventor: Burak BASER
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Publication number: 20180001594Abstract: A sheetlike composite material including at least one layer A of a nonwoven thermoplastic fiber web or a thermoplastic film, and at least two unidirectional oriented-fiber layers B and B?, the layers B and B? having a bidirectional fiber orientation. The layers are not only needled but also stitched to one another.Type: ApplicationFiled: September 12, 2017Publication date: January 4, 2018Applicant: QUADRANT PLASTIC COMPOSITES AGInventor: Burak BASER
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Patent number: 9096022Abstract: Components are produced by injecting a thermoplastic melt into a mold, wherein a flat blank of two or more fiber woven or non-crimp fiber fabrics connected at one or both sides thereof with a randomly oriented fiber layer and impregnated with a thermoplastic is heated to above the softening temperature of the thermoplastic, the thus expanded porous blank is laid out adjacent to one of the two inner walls of the mold, the mold is closed, compressing the blank, reopened to a desired width, and thermoplastic melt is injected into the porous core.Type: GrantFiled: August 17, 2010Date of Patent: August 4, 2015Assignee: Quadrant Plastic Composites AGInventor: Harri Dittmar
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Publication number: 20140011415Abstract: Thermoplastically deformable composite materials have a core layer with a glass fiber woven ply connected on both sides thereof to a fiber nonwoven ply of polypropylene fibers and glass fibers. The core layer is connected with at least one cover layer which comprises polypropylene fibers and polyethylene terephthalate fibers. The composite materials are produced by needling the individual layers and heating to melt the polypropylene fibers. The composite materials are useful for preparing automotive parts.Type: ApplicationFiled: March 19, 2012Publication date: January 9, 2014Applicant: QUADRANT PLASTIC COMPOSITES AGInventor: Andreas Keilbach
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Patent number: 8540830Abstract: A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.Type: GrantFiled: March 30, 2012Date of Patent: September 24, 2013Assignee: Quadrant Plastic Composites, AGInventors: Karl Ludwig Brentrup, Harri Dittmar
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Publication number: 20130122270Abstract: The invention relates to a composite material for lining of automotive parts, comprising a carrier layer made of a porous, fiber reinforced polyolefin and a decorative skin made of a deep-drawable amorphous thermoplastic, preferably TPO.Type: ApplicationFiled: November 16, 2011Publication date: May 16, 2013Applicant: QUADRANT PLASTIC COMPOSITES AGInventors: Joseph S. George, Thomas M. Derengowski, Jérôme Lefèvre
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Publication number: 20120244323Abstract: Components are produced by injecting a thermoplastic melt into a mold, wherein a flat blank of two or more fiber woven or non-crimp fiber fabrics connected at one or both sides thereof with a randomly oriented fiber layer and impregnated with a thermoplastic is heated to above the softening temperature of the thermoplastic, the thus expanded porous blank is laid out adjacent to one of the two inner walls of the mold, the mold is closed, compressing the blank, reopened to a desired width, and thermoplastic melt is injected into the porous core.Type: ApplicationFiled: August 17, 2010Publication date: September 27, 2012Applicant: QUADRANT PLASTIC COMPOSITES AGInventor: Harri Dittmar
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Publication number: 20120181716Abstract: A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.Type: ApplicationFiled: March 30, 2012Publication date: July 19, 2012Applicant: QUADRANT PLASTIC COMPOSITES AGInventors: Karl-Ludwig Brentrup, Harri Dittmar
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Patent number: 8043542Abstract: Low density and acoustically absorbing panels are produced by consolidation in a mold of a heated part of a pre-cut, lofty, semi-finished product containing polypropylene fibers and reinforcing fibers and having an air pore content of 20 to 80 vol.-% wherein overlapping with the periphery of the pre-cut part are heated strips of polypropylene optionally containing up to 60 wt.-% reinforcing fibers, but containing 5 vol.-% or less of air pores.Type: GrantFiled: February 19, 2008Date of Patent: October 25, 2011Assignee: Quadrant Plastic Composites, AGInventors: Eberhard Pfeiffer, Harri Dittmar, Karl-Ludwig Brentrup
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Publication number: 20100297414Abstract: A composite sheet has cover layers of high pressure laminate sheets A and a core layer B arranged therebetween. The core layer is formed for an air pore-containing, fiber reinforced thermoplastic and is adhesively bonded to the cover layers by an anhydrous adhesive which is mechanically anchored in surface pores of the core layer B.Type: ApplicationFiled: September 11, 2008Publication date: November 25, 2010Applicant: QUADRANT PLASTIC COMPOSITES AGInventors: Karl-Ludwig Brentrup, Uwe Rothenberger, Nicola Adamo, Chiara Zaniboni
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Publication number: 20100116407Abstract: A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.Type: ApplicationFiled: January 18, 2010Publication date: May 13, 2010Applicant: QUADRANT PLASTIC COMPOSITES AGInventors: Karl Ludwig Brentrup, Harri Dittmar
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Publication number: 20100032870Abstract: Low density and acoustically absorbing panels are produced by consolidation in a mold of a heated part of a pre-cut, lofty, semi-finished product containing polypropylene fibers and reinforcing fibers and having an air pore content of 20 to 80 vol.-% wherein overlapping with the periphery of the pre-cut part are heated strips of polypropylene optionally containing up to 60 wt.-% reinforcing fibers, but containing 5 vol.-% or less of air pores.Type: ApplicationFiled: February 19, 2008Publication date: February 11, 2010Applicant: QUADRANT PLASTIC COMPOSITES AGInventors: Eberhard Pfeiffer, Harri Dittmar, Karl-Ludwig Brentrup
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Patent number: 7501362Abstract: The invention relates to nonwoven composite elements in which a blended fiber nonwoven comprised of thermoplastic fibers and of reinforcing fibers having a high-melting point is joined on one or both sides to one or two composite films of the structure ba or bab, in which a is a thermoplastic material having a high-melting point and b is a thermoplastic material having a low-melting point, and layer b of the composite film(s) faces the blended fiber nonwoven.Type: GrantFiled: March 24, 2004Date of Patent: March 10, 2009Assignee: Quadrant Plastic Composites AGInventor: Walter Maier
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Publication number: 20080160272Abstract: Rigid yet lightweight composite sheets contain a core layer formed by thermal consolidation of a needled non-woven mat of glass fibers and polypropylene fibers, optionally with a melt-bonded polypropylene film on at least one side thereof, sandwiched between layers of GMT. The core contains from 20 to 80 volume percent air voids, whereas the GMT outer layers have a very low or zero void content. The composite sheets may be used for structural panels, for fabricating furniture, and for other uses.Type: ApplicationFiled: December 13, 2007Publication date: July 3, 2008Applicant: QUADRANT PLASTIC COMPOSITES AGInventors: Karl-Ludwig Brentrup, Andreas Keilbach
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Patent number: 7132025Abstract: The invention relates to a continuous method of producing a thick, thermoformable, from a thermoplastic material and reinforcing fibers. The inventive method comprises the following steps: A) blending thermoplastic fibers and reinforcing fibers to give a dry-laid blended web, B) consolidating the blended web by needle felting, C) heating the consolidated blended web, and D) compacting it to give a semi-finished product.Type: GrantFiled: March 9, 2002Date of Patent: November 7, 2006Assignee: Quadrant Plastic Composites AGInventor: Harri Dittmar
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Publication number: 20060244170Abstract: A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.Type: ApplicationFiled: April 4, 2006Publication date: November 2, 2006Applicant: Quadrant Plastic Composites AGInventors: Karl-Ludwig Brentrup, Harri Dittmar