WO2002087879A1 - Appareil et procede de formage d'une structure - Google Patents

Appareil et procede de formage d'une structure Download PDF

Info

Publication number
WO2002087879A1
WO2002087879A1 PCT/US2002/002916 US0202916W WO02087879A1 WO 2002087879 A1 WO2002087879 A1 WO 2002087879A1 US 0202916 W US0202916 W US 0202916W WO 02087879 A1 WO02087879 A1 WO 02087879A1
Authority
WO
WIPO (PCT)
Prior art keywords
blanket
continuous
preselected
forming
forming apparatus
Prior art date
Application number
PCT/US2002/002916
Other languages
English (en)
Inventor
Leroy Payne
Original Assignee
Leroy Payne
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from PCT/US2001/025740 external-priority patent/WO2004007198A1/fr
Application filed by Leroy Payne filed Critical Leroy Payne
Priority to US10/475,864 priority Critical patent/US20040144473A1/en
Priority to CA002443063A priority patent/CA2443063A1/fr
Publication of WO2002087879A1 publication Critical patent/WO2002087879A1/fr
Priority to AU2002357685A priority patent/AU2002357685A1/en
Priority to PCT/US2002/035062 priority patent/WO2003066331A1/fr
Priority to CA002475321A priority patent/CA2475321C/fr

Links

Classifications

    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • 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
    • B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
    • B29C70/021—Combinations of fibrous reinforcement and non-fibrous material
    • B29C70/025—Combinations of fibrous reinforcement and non-fibrous material with particular filler
    • 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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
    • 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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • 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]
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/03—Arrangements for curing paving; Devices for applying curing means; Devices for laying prefabricated underlay, e.g. sheets, membranes; Protecting paving under construction or while curing, e.g. use of tents
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/70—Automated, e.g. using a computer or microcomputer
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only

Definitions

  • This invention relates to a novel continuous structure forming method and apparatus.
  • the present invention provides a novel method and apparatus which overcome the shortcomings of previous expedients.
  • the method and apparatus provide features and advantages not found in earlier technology.
  • the method and apparatus of the invention can be modified to form a variety of structures of high quality.
  • a novel method of the present invention for forming a substantially continuous composite structure includes the steps of preselecting a liquid reactive resin forming material, a catalyst, an inhibitor and a porous blanket.
  • the ambient temperature is measured and the relative proportions of the resin forming material, the catalyst and the inhibitor are determined based on the ambient temperature and the porous blanket-
  • a mixture of the above components is formed by recirculating independently the predetermined proportions of the resin forming material, the catalyst and the inhibitor substantially continuously while coordinating the independent recirculation at preselected rates. Simultaneously, the predetermined proportion of each component is withdrawn from the independently recirculating resin forming material, catalyst and inhibitor and the withdrawn components mixed substantially continuously.
  • a pool of the mixture is formed on the blanket while it is moving over an elongated arcuate surface disposed in a preselected orientation closely adjacent to a preselected final location.
  • a leading edge of the mixture-treated blanket is advanced substantially immediately into permanent contact with a preselected final surface. The leading edge is adhered to the final surface.
  • the apparatus is withdrawn and a moving mixture-treated blanket is deposited along a preselected path of the final surface.
  • the moving blanket is adhered to the final surface while migrating part of the catalyzed and inhibited resin forming material through the blanket substantially uniformly to form a continuous resin matrix within the blanket.
  • a tight permanent bond is formed between the matrix/blanket and the final surface.
  • pressure is applied to the treated blanket to form the permanent bond.
  • a preselected tension is created in the blanket as it is advanced into contact with the final surface and adhered thereto.
  • Spaced hook elements may be positioned in a preselected pattern over the final surface prior to contacting the blanket therewith.
  • the mixture-treated blanket preferably is cut into predetermined lengths and a plurality of the treated blanket lengths arranged successively in a preselected overlapping relationship to form a continuous structural assembly of considerable length.
  • Figure 1 is a view in perspective of one form of continuous structure forming apparatus of the present invention
  • FIG 2 is an enlarged fragmentary top view of the mixing portion of the structure forming apparatus of the invention shown in Figure 1;
  • FIG 3 is an enlarged fragmentary side view of the structure forming apparatus of the invention shown in Figure 1;
  • Figure 4 is a schematic illustration of the structure forming apparatus of the invention shown in Figure 1 in use;
  • Figure 5 is a schematic illustration of the structure forming apparatus of the invention shown in Figure 4 at a later stage of use;
  • Figure 6 is an enlarged schematic illustration of the grasping portion of the structure forming apparatus of the invention.
  • Figure 7 is a fragmentary alternate form of the structure forming apparatus of the invention.
  • one form of novel continuous structure forming apparatus 11 of the present invention includes a supporting portion 12, a material supplying portion 13, a mixing portion 14, a matrix forming portion 15, a positioning portion 16 and a control portion 17.
  • the supporting portion 12 of the structure forming apparatus of the invention includes a plurality of spaced upstanding frame members 20,21,22,23.
  • a plurality of frame members 25,26,27,28 join. , the frame members 20-23 to provide a frame assembly 29.
  • the supporting portion 12 advantageously includes connector means 31 as well as accessories such as electrical generators, air compressors, hydraulic pumps, etc. (not shown). Such accessories can be mounted on and/or suspended from the frame members.
  • the material supplying portion 13 of the apparatus 11 includes a plurality of reservoirs 32,33,34 operatively connected with the supporting portion 12.
  • the reservoirs which advantageously are located on a separate vehicle 35 are connected independently with the mixing portion 14, preferably through conduit means 37,38.
  • the mixing portion 14 of the structure forming apparatus 11 of the invention includes one or more elongated mixing chambers 39 adjustably disposed on the supporting portion 12.
  • Each delivery conduit 37 is connected with a valve assembly 41,42,43 arranged around the periphery of a mixing chamber 39.
  • a recirculating conduit 38 extends between each valve assembly 41,42,43 back to each respective reservoir 32,33,34.
  • the matrix forming portion 15 of the apparatus 11 includes mixture distributing means 45 adjacent an outlet 40 of the mixing chamber 39 and adjustable downwardly therefrom.
  • the mixture distributing means 45 as shown in the drawings includes a pair of spaced elongated transversely disposed arcuate members 47,48 with generally horizontal lower edges adjustably oriented closer together than upper edges thereof.
  • the matrix forming portion 15 also may include second mixture distributing means (not shown) adjacent the first mixture distributing means 45.
  • the second mixture distributing means may include a plurality of spaced spray nozzles or other distributing means .
  • the positioning portion 16 of the structure forming apparatus of the invention includes pressure applying means such as pivotable pressure roller 53 which is extendable beyond an edge 54 of the apparatus.
  • the positioning portion 16 includes elongated structure grasping means 55 mounted on vehicle 35.
  • the structure grasping means preferably is mounted along the side of the vehicle adjacent - to the apparatus 11.
  • the grasping means 55 most preferably includes cooperating hinge sections 56 extending from pivotable link members 58. The operation of the grasping means is coordinated with the operation of the apparatus 11.
  • a cutter blade 60 advantageously is disposed on a pivoting arm member 61.
  • the blade preferably is engageable with a roller such as pressure roller 53 disposed on an adjacent pivoting arm member 62.
  • the apparatus 11 may include removable outer panels 63 selectively hung from the apparatus to enclose the apparatus during storage. Also, the panels help to control wind, temperature, other weather conditions, etc. during operation.
  • the structure forming apparatus is suspended from a cantilever extendable arm assembly 65 extending from a 360 degree rotatable turntable on a vehicle 35 such as a tractor, truck, trailer or the like.
  • the machinery is transferred to a job site and positioned adjacent to a previously selected starting position.
  • Operation of the structure forming apparatus 11 is begun by preselecting a liquid reactive resin forming material, a catalyst, an inhibitor and a porous blanket.
  • the ambient temperature is measured.
  • the relative proportions of the resin forming material, catalyst and inhibitor are determined based on the ambient temperature and the construction of the porous blanket.
  • the liquid reactive resin forming material is recirculated continuously from a reservoir 32 through a delivery conduit 37 into valve assembly 41 adjacent mixing chamber 39 and back through return conduit 38 to its reservoir.
  • catalyst and inhibitor each in a separate reservoir 33,34 respectively, is independently recirculated through separate delivery conduits 37 into respective valve assemblies 42,43 and back through return conduits 38, each to its own reservoir 33 or 34.
  • the recirculation of the components is coordinated at preselected rates .
  • the predetermined proportions are withdrawn from the independently recirculating resin forming material, catalyst and inhibitor by activating valve assemblies 41,42,43 simultaneously.
  • the withdrawn predetermined proportions are continually mixed in chamber 39 by driven impeller 36.
  • the mixture delivered from outlet 40 of the mixing chamber 39 passes downwardly between elongated arcuate members 47,48 into contact with a porous blanket or blankets 44 moving therethrough.
  • the mixture is delivered at a rate sufficient to form a residual pool 46 between the arcuate members.
  • the leading edge 68 of blanket 44 exits the liquid pool with the arcuate members closely adjacent to the preselected final location, the leading edge is grasped by cooperating hinge sections 56 as shown in Figure 4 and advanced substantially immediately into permanent contact with a preselected edge 66 of ditch 67 and adhered thereto.
  • the apparatus 11 including the arcuate surfaces which is suspended from the cantilever arm assembly 65 of vehicle 35 is withdrawn and the blanket being delivered therefrom is deposited along a preselected path across the ditch surface while migrating part of the catalyzed and inhibited resin forming material through the blanket substantially uniformly to form a continuous resin matrix within the blanket.
  • a tight permanent bond between the matrix/blanket and the final surface is created.
  • the apparatus 11 can be moved to a position adjacent to and slightly overlapping the blanket deposited previously.
  • the steps of the method are repeated to deposit additional lengths of the structure individually in an overlapping relationship with the previous structure length and thereby form a continuous structural assembly of considerable length. Since each length is maintained under tension until installed into the " ditch, the structural liner produced is uniform and smooth without folds or other imperfections.
  • Figure 7 illustrates the use of spaced hook elements 70 to assist in holding the blanket 44 in place as it is permanently bonded tothe final surface.
  • control portion 17 of the structure forming apparatus 11 of the invention includes programmable memory means 72 and actuating means 73 responsive thereto in combination with coordinating means 74 to control the operation of the various components of apparatus 11.
  • the coordinating means includes a process controller 75 that initiates changes in the flows of materials and speeds of drives to bring variations therein back to the rates specified in the programs present in the memory 72.
  • the control portion may control the lateral position of the blanket ' 44 with respect to a preselected path.
  • This coordination commonly is achieved through the transmission of information such as digital pulses from monitors and/or sensors at the control components to the process controller 75.
  • the operating information is compared with the preselected programming parameters stored in the memory 72. If differences are detected, instructions from the controller 73 change the operation of the components to restore the various operations to the preselected processing specifications.
  • the reactive resin forming material employed to produce composite structures of the invention is selected to be capable of reaction to form the particular resin matrix or coating desired in the final structure.
  • the material forms a thermosetting resin such as a polyurethane or polyester.
  • one reservoir may contain an isocyanate and another reservoir may contain a polyol .
  • the reservoirs may contain different partially formed materials which upon mixing interact to form the desired polyurethane. Examples of such partially formed materials include so-called "A stage” resins and "B stage” resins.
  • resin forming systems may utilize a single resin forming material in one reservoir and a catalyst and an inhibitor, each in other reservoirs. Additional components can be premixed with one of the resin formers, e.g. fillers, reinforcements, colors and the like.
  • a particulate solid additive material may be mixed with the liquid reactive resin forming material, preferably, in a proportion significantly greater than that of the resin forming material .
  • the additive particles may be any of a wide variety of inexpensive materials readily available at a particular job site. Natural mineral particulate materials such as sand and gravel normally are available or can be produced simply by crushing rock at the site.
  • materials such as waste or recycled materials which can be shredded or ground into particles of suitable size can be utilized.
  • materials such as waste or recycled materials which can be shredded or ground into particles of suitable size can be utilized.
  • particles formed by shredding or grinding discarded tires Since the particles are encapsulated with resin forming material and not saturated therewith, many different waste materials may be employed.
  • Suitable porous blankets include woven, knit, non-woven structures, etc.
  • the blankets e.g. fabrics, mats, etc. may be formed of continuous or discontinuous fibers, yarns, slit ribbons and similar natural and synthetic fibrous materials.
  • Reinforcing members such as ropes, cables, etc. extending longitudinally and/or transversely of the blanket centerline may be included if desired.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Robotics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Un procédé de formage d'une structure composite continue comprend les étapes suivantes: on détermine au préalable les proportions relatives d'une matière de formage en résine liquide, d'un catalyseur et d'un inhibiteur contenus dans un réservoir respectif (32, 33, 34) en fonction de la température ambiante et d'une couverture poreuse. On met en recirculation les proportions prédéterminées indépendamment de manière sensiblement continue à des débits présélectionnés et coordonnés. On retire simultanément les proportions et on les mélange en continu dans une chambre (39) pourvue d'un orifice (40) de sortie/distribution. Une masse commune (46) du mélange est formé sur la couverture (44) et on fait avancer sensiblement immédiatement le bord avant (68) de ladite couverture en contact permanent avec une surface finale prédéfinie, ledit bord avant étant collé à cette dernière. Une partie de la matière de formage en résine catalysée et inhibée migre dans la couverture pour former dans cette dernière une matrice en résine continue.
PCT/US2002/002916 2001-04-26 2002-02-04 Appareil et procede de formage d'une structure WO2002087879A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US10/475,864 US20040144473A1 (en) 2002-02-04 2002-02-04 Structure forming method and apparatus
CA002443063A CA2443063A1 (fr) 2001-04-26 2002-02-04 Appareil et procede de formage d'une structure
AU2002357685A AU2002357685A1 (en) 2002-02-04 2002-11-27 Structure forming method and apparatus
PCT/US2002/035062 WO2003066331A1 (fr) 2002-02-04 2002-11-27 Procede et appareil de formation d'une structure
CA002475321A CA2475321C (fr) 2002-02-04 2002-11-27 Procede et appareil de formation d'une structure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USPCT/US01/25740 2001-04-26
PCT/US2001/025740 WO2004007198A1 (fr) 2000-07-13 2001-08-13 Procede et appareil de formation de structure

Publications (1)

Publication Number Publication Date
WO2002087879A1 true WO2002087879A1 (fr) 2002-11-07

Family

ID=21742781

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2002/002916 WO2002087879A1 (fr) 2001-04-26 2002-02-04 Appareil et procede de formage d'une structure
PCT/US2002/012896 WO2002087878A1 (fr) 2001-04-26 2002-04-24 Procede et appareil de creation d'une structure

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2002/012896 WO2002087878A1 (fr) 2001-04-26 2002-04-24 Procede et appareil de creation d'une structure

Country Status (3)

Country Link
AU (1) AU2001288282A1 (fr)
CA (3) CA2457749A1 (fr)
WO (2) WO2002087879A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102941676A (zh) * 2012-10-19 2013-02-27 湖北三江航天红阳机电有限公司 一种旋转体双层复合材料缠绕成型方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338960A (en) * 1937-04-21 1944-01-11 Nottebohm Carl Ludwig Process and apparatus for the impregnation of fiber fleeces with binding agents
US2771387A (en) * 1951-11-21 1956-11-20 Owens Corning Fiberglass Corp Bituminous treated glass fiber structures and methods of producing them
US3888716A (en) * 1972-06-05 1975-06-10 Kemlite Corp Preparation of resin impregnated glass fiber sheets
US5639331A (en) * 1988-08-23 1997-06-17 Payne; Leroy Method for continuously forming structure from resin, particles, and porous blanket
US5725716A (en) * 1988-08-23 1998-03-10 Payne; Leroy Structure forming method and apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3230757A1 (de) * 1982-08-18 1984-02-23 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von stabilisierten polyisocyanaten, stabilisierte polyisocyanate retardierter reaktivitaet und ihre verwendung zur polyurethanherstellung
FR2625745B1 (fr) * 1988-01-08 1992-10-09 Picardie Lainiere Produit textile thermocollant comprenant un agent de reticulation microencapsule
US5543006A (en) * 1988-08-23 1996-08-06 Payne; Leroy Continuous structure forming method
US5330603A (en) * 1988-08-23 1994-07-19 Payne Leroy Continuous structure forming method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338960A (en) * 1937-04-21 1944-01-11 Nottebohm Carl Ludwig Process and apparatus for the impregnation of fiber fleeces with binding agents
US2771387A (en) * 1951-11-21 1956-11-20 Owens Corning Fiberglass Corp Bituminous treated glass fiber structures and methods of producing them
US3888716A (en) * 1972-06-05 1975-06-10 Kemlite Corp Preparation of resin impregnated glass fiber sheets
US5639331A (en) * 1988-08-23 1997-06-17 Payne; Leroy Method for continuously forming structure from resin, particles, and porous blanket
US5725716A (en) * 1988-08-23 1998-03-10 Payne; Leroy Structure forming method and apparatus

Also Published As

Publication number Publication date
CA2442746A1 (fr) 2002-11-07
WO2002087878A1 (fr) 2002-11-07
AU2001288282A1 (en) 2004-02-02
CA2457749A1 (fr) 2004-01-22
CA2443063A1 (fr) 2002-11-07

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