GB1224028A - Process for the manufacture of panels in particular for buildings - Google Patents
Process for the manufacture of panels in particular for buildingsInfo
- Publication number
- GB1224028A GB1224028A GB03459/68A GB1345968A GB1224028A GB 1224028 A GB1224028 A GB 1224028A GB 03459/68 A GB03459/68 A GB 03459/68A GB 1345968 A GB1345968 A GB 1345968A GB 1224028 A GB1224028 A GB 1224028A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resin
- layers
- layer
- polyester
- polyurethane
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/30—Expanding the moulding material between endless belts or rollers
- B29C44/308—Thickness separators and side seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/26—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length using several expanding steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/30—Expanding the moulding material between endless belts or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/321—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed part being a lining, e.g. a film or a support lining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/321—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed part being a lining, e.g. a film or a support lining
- B29C44/3215—Folding devices for the lining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/326—Joining the preformed parts, e.g. to make flat or profiled sandwich laminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/329—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being partially embedded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/003—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised by the matrix material, e.g. material composition or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
- B29C70/508—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands and first forming a mat composed of short fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
- E04C2/205—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/48—Endless belts
- B29C2043/483—Endless belts cooperating with a second endless belt, i.e. double band presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/06—Unsaturated polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
- B29K2105/0845—Woven fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
Abstract
1,224,028. Laminate. COMPAGNIE DE SAINT-GOBAIN. 20 March, 1968 [22 March, 1967], No. 13459/68. Heading B5N. [Also in Division B2] A first thermosetting resin in paste form is foamed in contact with a layer of a second thermosetting resin so that the foaming exerts pressure on the layers, and the resins are set simultaneously, bonding under the influence of the pressure. The paste may be located between two layers of the second resin to form a sandwich laminate. The layer or layers of the second resin may be reinforced with fibres of glass or asbestos or fibrous mats. The first resin may be polyurethane, polyester or epoxide resin. The second resin may be polyester or epoxide resin. As shown, a layer of glass fibres 3 impregnated with polyester resin 4 is formed on a web of regenerated cellulose 2, which is unrolled on to an endless belt 1. The layer has its thickness determined by a doctor blade 5 and is partially set by an infra-red heater 6. A similar layer is formed on a regenerated cellulose web 8 covering a second endless belt 9. Polyurethane 7 is foamed between the two layers as the latter are fed between the belt 1 and a third endless belt 15. Pressure arising from the foaming between the belts promotes adherence of the foam to the reinforced polyester layers. Heat evolved by the foaming polyurethane is sufficient to heat-set the layers of the panel. Alternatively, heat may be supplied to or withdrawn from the panel during its formation. The panel edges may be delimited by side pieces (not shown). In a modification, Fig. 2 (not shown), devices (27) and (28) are provided for bending the two reinforced polyester covering layers, so that each of the latter is formed with two lateral flanges extending perpendicularly to the body of the respective layer. Opposed flanges of the two covering layers are sealed together optionally with the introduction of supplementary resin-impregnated strands so that the polyurethane foam core is covered on both sides and both edges. In this embodiment, the polyurethane is supplied from two reservoirs (26) and introduced between the two covering layers by nozzles (25). The covering layers are pre-formed glass fibre mats which are impregnated with the polyester resin on the respective regenerated cellulose webs. Abrasive brushes (32) are provided to tear the outer cellophane cover away from the completed panel. A cutter (33) is provided for cutting the laminate into panels of the desired length.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR99785A FR1523411A (en) | 1967-03-22 | 1967-03-22 | Manufacturing process for panels intended in particular for buildings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1224028A true GB1224028A (en) | 1971-03-03 |
Family
ID=8627363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB03459/68A Expired GB1224028A (en) | 1967-03-22 | 1968-03-20 | Process for the manufacture of panels in particular for buildings |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR1523411A (en) |
GB (1) | GB1224028A (en) |
NL (1) | NL6804077A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0060356A1 (en) * | 1981-03-18 | 1982-09-22 | Linx Building Systems Corporation | Composite building panel |
US4388363A (en) | 1979-02-26 | 1983-06-14 | W. R. Grace & Co. | Compressible printing element containing thermosol lamina |
WO2001041992A2 (en) * | 1999-12-13 | 2001-06-14 | Nippon Shokubai Co., Ltd. | Method for production of porous cross-linked polymer |
WO2021013886A1 (en) * | 2019-07-23 | 2021-01-28 | Gaztransport Et Technigaz | Method for manufacturing a wall for a sealed and thermally insulating tank |
CN113977843A (en) * | 2021-11-11 | 2022-01-28 | 张家港力勤机械有限公司 | Forming processing equipment for polyurethane plate |
WO2022051292A1 (en) * | 2020-09-01 | 2022-03-10 | Toray Advanced Composite Usa Inc. | Composite product, composite product production system, composite product production process, and system and method for reducing voc emissions associated with composite with product production |
EP4188668A4 (en) * | 2020-07-31 | 2024-05-29 | Pregis Innovative Packaging LLC | Expandable web with in-situ combination of expansion material components |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO134359C (en) * | 1973-02-15 | 1976-09-29 | Walter Nilsen | |
DE3037727A1 (en) * | 1980-10-06 | 1982-05-19 | G + H Montage Gmbh, 6700 Ludwigshafen | FACADE ELEMENT TO PROTECT RADIO TECHNICAL SYSTEMS |
-
1967
- 1967-03-22 FR FR99785A patent/FR1523411A/en not_active Expired
-
1968
- 1968-03-20 GB GB03459/68A patent/GB1224028A/en not_active Expired
- 1968-03-22 NL NL6804077A patent/NL6804077A/xx unknown
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388363A (en) | 1979-02-26 | 1983-06-14 | W. R. Grace & Co. | Compressible printing element containing thermosol lamina |
EP0060356A1 (en) * | 1981-03-18 | 1982-09-22 | Linx Building Systems Corporation | Composite building panel |
WO2001041992A2 (en) * | 1999-12-13 | 2001-06-14 | Nippon Shokubai Co., Ltd. | Method for production of porous cross-linked polymer |
WO2001041992A3 (en) * | 1999-12-13 | 2002-05-10 | Nippon Catalytic Chem Ind | Method for production of porous cross-linked polymer |
US6750263B2 (en) | 1999-12-13 | 2004-06-15 | Nippon Shokubai Co., Ltd. | Method for production of porous cross-linked polymer |
WO2021013886A1 (en) * | 2019-07-23 | 2021-01-28 | Gaztransport Et Technigaz | Method for manufacturing a wall for a sealed and thermally insulating tank |
FR3099077A1 (en) * | 2019-07-23 | 2021-01-29 | Gaztransport Et Technigaz | Method of manufacturing a wall for a sealed and thermally insulating tank |
EP4188668A4 (en) * | 2020-07-31 | 2024-05-29 | Pregis Innovative Packaging LLC | Expandable web with in-situ combination of expansion material components |
WO2022051292A1 (en) * | 2020-09-01 | 2022-03-10 | Toray Advanced Composite Usa Inc. | Composite product, composite product production system, composite product production process, and system and method for reducing voc emissions associated with composite with product production |
CN113977843A (en) * | 2021-11-11 | 2022-01-28 | 张家港力勤机械有限公司 | Forming processing equipment for polyurethane plate |
Also Published As
Publication number | Publication date |
---|---|
FR1523411A (en) | 1968-05-03 |
NL6804077A (en) | 1968-09-23 |
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