公开(公告)号：US20250059088A1

公开(公告)日：2025-02-20

申请号：US18807089

申请日：2024-08-16

Applicant: Saint-Gobain Placo

Inventor： Remi Lespiat ,  Hiva Baradari ,  Florian Beaugnon ,  Marion Grange ,  Julie Godefroid ,  Mikayel Arzakantsyan

IPC: C04B14/18 ,  C04B28/14 ,  C04B40/00 ,  C04B103/63 ,  C04B111/00 ,  C04B111/28 ,  G01N5/04 ,  G01N25/00

Abstract: The present disclosure relates generally to methods for characterizing unexpanded perlite, e.g., with respect to its expandability as well as articles containing expandable perlite, such as gypsum materials, fire-resistant building boards and other fire-resistant materials, and methods for making the same. The present inventors have determined thermogravimetric methods for characterizing unexpanded perlite with high predictive power for the selection of highly-expandable perlites. The disclosure also relates to materials including unexpanded perlites that meet certain threshold values with respect to these characterization methods.

公开(公告)号：US20250019305A1

公开(公告)日：2025-01-16

申请号：US18713079

申请日：2022-12-21

Applicant: Saint-Gobain Placo

Inventor： Pablo Nieto Bartolome ,  Alejandro Dominguez Martinez ,  Fernando Pardo Cobo

IPC: C04B20/00 ,  C04B11/26 ,  C04B28/14 ,  C04B111/10

Abstract: There is provided a cementitious product comprising cementitious material, the cementitious product further comprising stone wool objects, said stone wool objects comprising stone wool fibres, wherein a portion of the stone wool fibres have a longest dimension greater than 250 μm. In this way, there is provided a cementitious product with improved fire performance.

公开(公告)号：US20240200338A1

公开(公告)日：2024-06-20

申请号：US18540848

申请日：2023-12-14

Applicant: Saint-Gobain Placo

Inventor： Mari Luz Jimeno Romero ,  Maria Charco Roca ,  Maria Del Pilar Garcia Cabrera ,  Paloma Carreno Ferron ,  Alvaro Nogueira San Roman

IPC: E04F13/08

CPC classification number: E04F13/0803 ,  E04F13/0889

Abstract: The modular facade is made of prefab panels comprising a frame structure with horizontal and vertical profiles. The prefab panel includes an outer cladding attached to the frame structure by attaching means. The horizontal and the vertical profiles have a matching shiplap design. A method of mounting the modular facade relies upon the steps of installing brackets to a building structure, for levelling position of the prefab panels, and an anti-tipping element in an upper part of the building structure, so that not very demanding lifting means, such as a small crane, suffices, for suspending subsequent adjacent prefab panels from an upper story.

公开(公告)号：US20240116810A1

公开(公告)日：2024-04-11

申请号：US18263033

申请日：2022-02-22

Applicant: Saint-Gobain Placo

Inventor： Olivier Francy ,  Lionel Magaud ,  Jöel Colombo ,  Binh Tran

IPC: C04B11/06 ,  C04B11/00

CPC classification number: C04B11/06 ,  C04B11/002

Abstract: The present application describes a process for the continuous production of alpha-calcium sulphate hemihydrate, the process comprising the steps of: providing particulate gypsum; providing water; mixing the particulate gypsum and the water to form a gypsum slurry; and maintaining said gypsum slurry under raised pressure and temperature to convert the particulate gypsum into alpha-calcium sulphate hemihydrate and provide an alpha-calcium sulphate hemihydrate slurry. Additionally, the particulate gypsum comprises a D10 value greater than or equal to 2 μm, a D90 value smaller than or equal to 90 μm and a D50 value smaller than or equal to 25 μm. Particulate gypsum for use in the process is also provided.

公开(公告)号：US20240116214A1

公开(公告)日：2024-04-11

申请号：US18481315

申请日：2023-10-05

Applicant: Saint-Gobain Placo

Inventor： Remi Lespiat ,  Arkadiusz Niznik ,  Hamouda Jaffel ,  Celia Decabooter

IPC: B28B19/00 ,  B28B17/00 ,  G06T7/00

CPC classification number: B28B19/0092 ,  B28B17/0081 ,  G06T7/0004

Abstract: The present disclosure relates generally to methods of analysing and manufacturing gypsum panels, for example, suitable for use as building surface products. The present disclosure relates more particularly to a method of forming a gypsum panel. The method includes forming a porous slurry layer on a receiving surface using a plurality of operating parameters, and allowing the porous slurry layer to set to form a gypsum core of a gypsum panel. The panel is then cut to form a cut surface that extends through the gypsum core, and an image of a region of the cut surface is captured. The image is analysed to identify bubbles intersecting the cut surface. A measure of bubble contact in the gypsum core is then calculated from the identified bubbles in the image. Based on the measure of bubble contact, an operating parameter used for forming the porous slurry layer is modified.

公开(公告)号：US11814836B2

公开(公告)日：2023-11-14

申请号：US17604267

申请日：2020-04-06

Applicant: SAINT-GOBAIN ISOVER ,  SAINT-GOBAIN PLACO

Inventor： Benjamin Sourcis ,  Pierre Leroy

IPC: E04B1/86 ,  E04B9/00 ,  E04B9/04 ,  E04B9/24 ,  E04B1/82 ,  E04B1/84

CPC classification number: E04B1/86 ,  E04B9/001 ,  E04B9/045 ,  E04B9/241 ,  E04B2001/8281 ,  E04B2001/848 ,  E04B2001/8461

Abstract: An acoustic insulation product includes a panel made of porous material, based on foam or fibres, including a first face, referred to as back face, intended to face towards a wall, and a second face, referred to as front face, situated on the opposite side to the back face, and a layer, referred to as backing layer, which adheres to or is linked or coupled at least in part to the back face of the panel made of porous material, the backing layer having an airflow resistance of between 5 kPa·s/m and 20 kPa·s/m.

公开(公告)号：US11548084B2

公开(公告)日：2023-01-10

申请号：US16082165

申请日：2017-03-15

Applicant: SAINT-GOBAIN PLACO

Inventor： Jean-Pierre Douche

IPC: B23D57/00

Abstract: A device for cutting a plate or panel of porous construction material includes a movement structure that moves the plate or panel and includes at least one conveyor, and which is able to move in a direction (X). The device also includes a wire to cut the plate or panel and a structure for passing the wire in a direction (Y) perpendicular to the direction (X) of travel of the plate or panel. The device for cutting allows a cut to be made that greatly limits the waste and dust generated.

公开(公告)号：US20220411331A1

公开(公告)日：2022-12-29

申请号：US17761093

申请日：2021-02-10

Applicant: Saint-Gobain Placo

Inventor： Benoit Montigny ,  Christine Nguyen ,  Charlotte Catteau

IPC: C04B28/14 ,  C04B40/00 ,  C04B28/16 ,  C04B24/26 ,  C04B24/24 ,  C04B22/16

Abstract: According to the present invention, there is provided a wet accelerator for use in the manufacture of a gypsum product, said wet accelerator comprising water, particles of calcium sulphate dihydrate and a stabiliser. Additionally, a method of preparing a wet accelerator and a method of producing a gypsum product are described.

公开(公告)号：US11505498B2

公开(公告)日：2022-11-22

申请号：US16988773

申请日：2020-08-10

Applicant: Saint-Gobain Placo SAS

Inventor： Laura Brooks ,  Nicola Jupp ,  Joanna Sparkes ,  Adam Richardson ,  Nicholas Jones ,  Jan Rideout ,  Keith Humphrey

IPC: C04B28/14 ,  B32B5/02 ,  B32B13/02 ,  B32B13/08 ,  B27N3/00 ,  E04C2/04 ,  C04B14/42 ,  C04B18/26 ,  C04B24/26 ,  C04B24/38 ,  C04B111/00 ,  B32B13/14 ,  B32B29/00

Abstract: A plasterboard comprising a gypsum matrix having wood particles embedded therein in an amount of at least 2 wt % relative to the gypsum, the gypsum matrix further comprising glass fibres in an amount of at least 1 wt % relative to the gypsum.

公开(公告)号：US20220195723A1

公开(公告)日：2022-06-23

申请号：US17604267

申请日：2020-04-06

Applicant: SAINT-GOBAIN ISOVER ,  SAINT-GOBAIN PLACO

Inventor： Benjamin SOURCIS ,  Pierre LEROY

IPC: E04B1/86 ,  E04B9/04 ,  E04B9/24 ,  E04B9/00

Abstract: An acoustic insulation product includes a panel made of porous material, based on foam or fibres, including a first face, referred to as back face, intended to face towards a wall, and a second face, referred to as front face, situated on the opposite side to the back face, and a layer, referred to as backing layer, which adheres to or is linked or coupled at least in part to the back face of the panel made of porous material, the backing layer having an airflow resistance of between 5 kPa·s/m and 20 kPa·s/m.