US20070125487A1 - Method and apparatus for maintaining filaments in position in a filament winding process - Google Patents
Method and apparatus for maintaining filaments in position in a filament winding process Download PDFInfo
- Publication number
- US20070125487A1 US20070125487A1 US10/576,894 US57689404A US2007125487A1 US 20070125487 A1 US20070125487 A1 US 20070125487A1 US 57689404 A US57689404 A US 57689404A US 2007125487 A1 US2007125487 A1 US 2007125487A1
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- Prior art keywords
- filament
- mandrel
- ring
- yarn
- resin impregnated
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Classifications
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- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/8016—Storing, feeding or applying winding materials, e.g. reels, thread guides, tensioners
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- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
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- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/805—Applying axial reinforcements
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/8066—Impregnating
Definitions
- the present invention relates to a method of maintaining filaments in position when manufacturing composite parts through a filament winding process and an apparatus constructed to implement the teachings of the method.
- the method includes a first step of applying resin impregnated filament onto an elongate mandrel.
- a second step is involved of winding yarn onto the elongate mandrel overlying the resin impregnated filament, to maintain the resin impregnated filament in position and under tension.
- an apparatus for maintaining filaments in position when manufacturing composite parts through a filament winding process includes a mandrel together with means for selectively rotating the mandrel.
- a ring is provided which is co-axial to and encircles the mandrel.
- a spool of yarn or multiple spools is mounted on the ring. Means are provided for causing the spool to orbit the mandrel and thereby apply yarn circumferentially to the mandrel.
- FIG. 1 is a perspective view of an apparatus for maintaining filaments in position in a filament winding process, shown in use for unidirectional winding in accordance with the teachings of the preferred method.
- FIG. 2 is a perspective view of the apparatus illustrated in FIG. 1 , shown at the end of a pass of unidirectional winding.
- FIG. 3 is a perspective view of the apparatus illustrated in FIG. 1 , shown in use for angular winding.
- FIG. 4 is a side elevation view of the apparatus illustrated in FIG. 3 , shown at the end of a forward pass of angular winding.
- FIG. 5 is a side elevation view of the apparatus illustrated in FIG. 3 , shown at the end of a return pass of angular winding.
- FIG. 6 is a detailed side elevation view of the apparatus illustrated in FIG. 1 , shown in use with unidirectional winding.
- FIG. 7 is a detailed side elevation view of the apparatus illustrated in FIG. 1 , shown in transition deviating from unidirectional.
- FIG. 8 is a detailed side elevation view of the apparatus illustrated in FIG. 1 , shown in use with angular winding.
- FIG. 9 is an end elevation of the apparatus shown in use for unidirectional winding
- Apparatus 10 includes an elongate mandrel 12 . At least one impregnation box 14 is provided. In the illustrated embodiments two have been shown. Each impregnation box is adapted to wet filament 16 with resin 18 prior to application of filament 16 onto mandrel 12 . Guide rollers 20 are provided to control application of filament 16 onto mandrel 12 . Means are provided for selectively rotating mandrel 12 . As the means are well known in the art, they have not been illustrated, but are indicated by arrow 22 .
- collars 24 are provided with projecting spikes 26 , which provide spacing and anchoring points for the roving particularly when it is orientated on or close to the axis.
- the spiked collars can be substituted by grooves in the mandrel, which perform the same function.
- Collars 24 are positioned in spaced relation on mandrel 12 . Collars 24 are adapted to assist in maintaining filament positioning and spacing by segregating filaments 12 with projecting spikes 26 .
- a ring 28 is provided which is co-axial to and encircles mandrel 12 .
- a spool 30 containing yarn 32 is mounted on ring 28 . Means are provided for rotating ring 28 about its axis. As one skilled in the art would be aware of suitable means for rotating ring 28 , it has not been illustrated.
- the rotation of ring 28 is indicated by arrow 34 .
- the rotation of ring 28 causes spool 30 to orbit mandrel 12 , thereby applying yarn 32 circumferentially to mandrel 12 overlying filament 16 to maintain filament 16 in position, as will hereinafter be further described.
- Filament roving or tape is pulled through an impregnation box, which opens out the filaments and aligns and controls the roving spacing ( FIG. 1 ).
- the aligned roving then proceeds through a resin bath and out via a series of rollers.
- the effect of the guide rollers is to facilitate wet out by forcing resin in to the filaments of the opened rovings.
- the impregnation box can be used to impregnate filament roving with resin.
- One way is to inject the resin such as polyurethane directly into the roving at the entry of the impregnation box and allows the rollers to work in and squeeze off the excess resin.
- resin in the resin tray is as a direct result of excess being squeezed from the roving.
- resin tray is filled with a liquid resin such as polyester epoxy or vinylester and the resin allowed to impregnate the fibrous roving by the action of immersion together with the effects of the rollers, which serve to wet out and squeeze off any excess.
- a liquid resin such as polyester epoxy or vinylester
- a third embodiment is to use pre-impregnated roving or tape, which consists of resin and a fibrous reinforcement such as Twintex which is a co-mingled glass and polypropylene material.
- roving a fibrous reinforcement
- the glass, resin and fibrous reinforcement (roving) would simply bypass the impregnation stage, as the resin is already part of the roving.
- the roving or tape would then proceed through the guide rollers in the same way as wet winding, however, in this instance the material would be dry.
- Each impregnation box ( 14 ) is mounted on the roving carriage ( 36 ) and is responsible for delivering a series of individual filament rovings via the guide rollers ( 20 ) that have been spaced, tensioned and wet out and is referred to as a head ( FIG. 9 ).
- the device is constructed so that multiple heads operate together delivering a series of filament roving on to the mandrel two are shown in FIG. 9 .
- the cycle typically begins with an initial circumferential wrap of the roving on the mandrel, which is located outside the winding area. This acts as an anchor point in order that the filament roving can generate tension during winding.
- the head delivering the filament roving now traverses down the mandrel and the roving path progresses over a spiked collar. This collar maintains the position of the roving on the mandrel.
- the carriage ( 36 ) is stationery and the mandrel is moved back and forth
- the yarn spool is attached to a ring that can travel the length of the mandrel and rotate ( FIGS. 1 and 2 ).
- the number of wraps together with the angle of wrap can be predetermined as to provide the maximum stability to the filament winding by programming the rate of travel and rate of rotation of the ring which in turn houses the yarn spool.
- FIGS. 3, 4 , 5 and 8 In order to produce circumferential winding the head transverses down the length of the mandrel whilst the mandrel is rotated. By adjusting the speed of the travel to the speed of rotation roving can be wrapped on at angles ranging from 90°-0°. Circumferential windings are usually quite stable and do not require over wraps, so shown in FIGS. 3, 4 , 5 and 8 .
- FIG. 6 denotes the axis reference.
- a yarn or single filament is delivered from one or more than one spools used to hold them in place from slipping ( FIGS. 1 and 2 ).
- This is done by having two rotating rings (one on each side of the heads as shown in FIG. 1 ) with spools of fibre (for example: glass roving, Kevlar, acrylic yarn, nylon mono filament, etc) and movable arms with ceramic eyelets ( 33 ).
- spools of fibre for example: glass roving, Kevlar, acrylic yarn, nylon mono filament, etc
- movable arms with ceramic eyelets 33
- One or more heads are used to apply the fibres (FIGS. 1 , 2 , 3 and 9 show a two head configuration).
- the fibre placement heads have PLC control to allow them precise positioning of the guide rollers ( 20 ) as they move along the mandrel. This control of the head position allows them to increase or decrease the band width of the filament rovings when applying axial fibre by adjusting the distance the head is from the mandrel.
- Guide rollers ( 20 ) can pivot to any angle between vertical and horizontal which also can be used to control the spacing between individual fibre strands by rotating the head as it deploys axial fibre.
- FIGS. 1 and 2 show the vertical position and FIG. 3 shows the horizontal position.
- the device has complete control over all axis's.
- the mandrel can be rotated in ether direction or stopped at a predefined position to lay down fibre. Layers can be applied with all the fibre being in one direction ( FIGS. 4 and 5 ) by rotating the mandrel in the opposite direction to the last pass to fill in the gaps until complete a layer is applied. Geodesic winding can also be wound.
Abstract
A method for maintaining filaments in position when manufacturing composite parts through a filament winding process. In its most basic form the method includes a first step of applying resin impregnated filament (16) onto an elongate mandrel (12). A second step is involved of winding yarn (32) onto the elongate mandrel (12) overlying the resin impregnated filament (16), to maintain the resin impregnated filament (16) in position and under tension.
Description
- The present invention relates to a method of maintaining filaments in position when manufacturing composite parts through a filament winding process and an apparatus constructed to implement the teachings of the method.
- Published Canadian Patent Application 2,274,328 (Elliott 1999) describes a problem being encountered in filament winding processes of resin coated filament fibres sliding off the mould during filament winding. The solution proposed by Elliott was to wind dry filament onto the surface of the mould and then subsequently infuse resin into the dry filament. This dry filament winding has met with limited success, but is not always suitable.
- What is required is a method and apparatus for maintaining filaments in position when manufacturing composite parts through a filament winding process.
- According one aspect of the present invention there is provided a method for maintaining filaments in position when manufacturing composite parts through a filament winding process. In its most basic form the method includes a first step of applying resin impregnated filament onto an elongate mandrel. A second step is involved of winding yarn onto the elongate mandrel overlying the resin impregnated filament, to maintain the resin impregnated filament in position and under tension.
- Once the basic method is understood, there are various ways to further refine the process, as will be apparent from the full description of the method which follows.
- According another aspect of the present invention there is provided an apparatus for maintaining filaments in position when manufacturing composite parts through a filament winding process. In its most basic form the apparatus includes a mandrel together with means for selectively rotating the mandrel. A ring is provided which is co-axial to and encircles the mandrel. A spool of yarn or multiple spools is mounted on the ring. Means are provided for causing the spool to orbit the mandrel and thereby apply yarn circumferentially to the mandrel.
- Once the basic apparatus is understood, there are additional features, which may be added, as will be apparent from the full description of the apparatus, which follows.
- These and other features of the invention will become more apparent from the following description in which reference is made to the appended drawings, the drawings are for the purpose of illustration only and are not intended to in any way limit the scope of the invention to the particular embodiment or embodiments shown, wherein:
-
FIG. 1 is a perspective view of an apparatus for maintaining filaments in position in a filament winding process, shown in use for unidirectional winding in accordance with the teachings of the preferred method. -
FIG. 2 is a perspective view of the apparatus illustrated inFIG. 1 , shown at the end of a pass of unidirectional winding. -
FIG. 3 is a perspective view of the apparatus illustrated inFIG. 1 , shown in use for angular winding. -
FIG. 4 is a side elevation view of the apparatus illustrated inFIG. 3 , shown at the end of a forward pass of angular winding. -
FIG. 5 is a side elevation view of the apparatus illustrated inFIG. 3 , shown at the end of a return pass of angular winding. -
FIG. 6 is a detailed side elevation view of the apparatus illustrated inFIG. 1 , shown in use with unidirectional winding. -
FIG. 7 is a detailed side elevation view of the apparatus illustrated inFIG. 1 , shown in transition deviating from unidirectional. -
FIG. 8 is a detailed side elevation view of the apparatus illustrated inFIG. 1 , shown in use with angular winding. -
FIG. 9 is an end elevation of the apparatus shown in use for unidirectional winding - The preferred apparatus, generally identified by
reference numeral 10 and the preferred method, will now be described with reference toFIGS. 1 through 9 . - Structure:
- There will first be described
apparatus 10 which was developed for maintaining filaments in position when manufacturing composite parts through a filament winding process.Apparatus 10 includes anelongate mandrel 12. At least oneimpregnation box 14 is provided. In the illustrated embodiments two have been shown. Each impregnation box is adapted towet filament 16 withresin 18 prior to application offilament 16 ontomandrel 12.Guide rollers 20 are provided to control application offilament 16 ontomandrel 12. Means are provided for selectively rotatingmandrel 12. As the means are well known in the art, they have not been illustrated, but are indicated byarrow 22. As will hereinafter be described in relation to the method, by selectively rotatingmandrel 12 the orientation offilaments 12 can be altered.Collars 24 are provided with projectingspikes 26, which provide spacing and anchoring points for the roving particularly when it is orientated on or close to the axis. On larger mandrels the spiked collars can be substituted by grooves in the mandrel, which perform the same function. -
Collars 24 are positioned in spaced relation onmandrel 12.Collars 24 are adapted to assist in maintaining filament positioning and spacing by segregatingfilaments 12 with projectingspikes 26. Aring 28 is provided which is co-axial to andencircles mandrel 12. Aspool 30 containingyarn 32 is mounted onring 28. Means are provided for rotatingring 28 about its axis. As one skilled in the art would be aware of suitable means for rotatingring 28, it has not been illustrated. The rotation ofring 28 is indicated byarrow 34. The rotation ofring 28 causesspool 30 toorbit mandrel 12, thereby applyingyarn 32 circumferentially tomandrel 12 overlyingfilament 16 to maintainfilament 16 in position, as will hereinafter be further described. - Method:
- Filament roving or tape is pulled through an impregnation box, which opens out the filaments and aligns and controls the roving spacing (
FIG. 1 ). The aligned roving then proceeds through a resin bath and out via a series of rollers. The effect of the guide rollers is to facilitate wet out by forcing resin in to the filaments of the opened rovings. - Subsequent rollers maintain tension and squeeze off the excess resin on the glass fibre. The result is an opened aligned tensioned roving, which has had the filaments, wetted by the resin and the excess resin removed. By setting the guide configurations and the roller angles the path of the roving can be altered. This enables control and adjustment of the roving for alignment, spacing, tension and degree of impregnation with regards to the resin.
- There are a number of ways in which the impregnation box can be used to impregnate filament roving with resin. One way is to inject the resin such as polyurethane directly into the roving at the entry of the impregnation box and allows the rollers to work in and squeeze off the excess resin.
- In this instance resin in the resin tray is as a direct result of excess being squeezed from the roving. In another method the resin tray is filled with a liquid resin such as polyester epoxy or vinylester and the resin allowed to impregnate the fibrous roving by the action of immersion together with the effects of the rollers, which serve to wet out and squeeze off any excess. In this way short pot life resins can be used via resin injection and longer pot life resins can be employed using a more conventional resin bath immersion technique.
- A third embodiment is to use pre-impregnated roving or tape, which consists of resin and a fibrous reinforcement such as Twintex which is a co-mingled glass and polypropylene material. In this instance the glass, resin and fibrous reinforcement (roving) would simply bypass the impregnation stage, as the resin is already part of the roving. The roving or tape would then proceed through the guide rollers in the same way as wet winding, however, in this instance the material would be dry.
- Each impregnation box (14) is mounted on the roving carriage (36) and is responsible for delivering a series of individual filament rovings via the guide rollers (20) that have been spaced, tensioned and wet out and is referred to as a head (
FIG. 9 ). The device is constructed so that multiple heads operate together delivering a series of filament roving on to the mandrel two are shown inFIG. 9 . - The cycle typically begins with an initial circumferential wrap of the roving on the mandrel, which is located outside the winding area. This acts as an anchor point in order that the filament roving can generate tension during winding.
- In one embodiment the head delivering the filament roving now traverses down the mandrel and the roving path progresses over a spiked collar. This collar maintains the position of the roving on the mandrel. In another embodiment the carriage (36) is stationery and the mandrel is moved back and forth
- At the end of the pass another circumferential wrap of the roving is undertaken again to act as an anchor point in order that the roving is held in position and tension
FIG. 2 . During the process of unidirectional winding a yarn made from materials such as monofilament polymer, glass, carbon or aramid is wrapped over the filaments (FIGS. 1 and 6 ). - The yarn spool is attached to a ring that can travel the length of the mandrel and rotate (
FIGS. 1 and 2 ). The number of wraps together with the angle of wrap can be predetermined as to provide the maximum stability to the filament winding by programming the rate of travel and rate of rotation of the ring which in turn houses the yarn spool. - In order to produce circumferential winding the head transverses down the length of the mandrel whilst the mandrel is rotated. By adjusting the speed of the travel to the speed of rotation roving can be wrapped on at angles ranging from 90°-0°. Circumferential windings are usually quite stable and do not require over wraps, so shown in
FIGS. 3, 4 , 5 and 8.FIG. 6 denotes the axis reference. - When placing axial fibres on a mandrel a yarn or single filament is delivered from one or more than one spools used to hold them in place from slipping (
FIGS. 1 and 2 ). This is done by having two rotating rings (one on each side of the heads as shown inFIG. 1 ) with spools of fibre (for example: glass roving, Kevlar, acrylic yarn, nylon mono filament, etc) and movable arms with ceramic eyelets (33). These are attached on each side of the fibre placement head, enabling the machine to use the trailing ring to apply a strand of fibre around the mandrel to pull the axial fibres onto the mandrel. The amount of tension can be adjusted to suit by adjusting the tension on the spool. - One or more heads are used to apply the fibres (FIGS. 1, 2,3 and 9 show a two head configuration). The fibre placement heads have PLC control to allow them precise positioning of the guide rollers (20) as they move along the mandrel. This control of the head position allows them to increase or decrease the band width of the filament rovings when applying axial fibre by adjusting the distance the head is from the mandrel. Guide rollers (20) can pivot to any angle between vertical and horizontal which also can be used to control the spacing between individual fibre strands by rotating the head as it deploys axial fibre.
FIGS. 1 and 2 show the vertical position andFIG. 3 shows the horizontal position. - The device has complete control over all axis's. The mandrel can be rotated in ether direction or stopped at a predefined position to lay down fibre. Layers can be applied with all the fibre being in one direction (
FIGS. 4 and 5 ) by rotating the mandrel in the opposite direction to the last pass to fill in the gaps until complete a layer is applied. Geodesic winding can also be wound. - In this patent document, the word “comprising” is used in its non-limiting sense to mean that items following the word are included, but items not specifically mentioned are not excluded. A reference to an element by the indefinite article “a” does not exclude the possibility that more than one of the element is present, unless the context clearly requires that there be one and only one of the elements.
- It will be apparent to one skilled in the art that modifications may be made to the illustrated embodiment without departing from the spirit and scope of the invention as hereinafter defined in the Claims.
Claims (15)
1. A method for maintaining filaments in position when manufacturing composite parts through a filament winding process, comprising the steps of:
applying resin impregnated filament (16) onto an elongate mandrel (12); and
winding yarn (32) onto the elongate mandrel (12) overlying the resin impregnated filament (16), to maintain the resin impregnated filament (16) in position and under tension.
2. The method as defined in claim 1 , the steps being sequentially repeated by applying alternating layers of resin impregnated filament (16) followed by yarn (32) to maintain each layer of resin impregnated filament (16) in position and under tension.
3. The method as defined in claim 1 , collars (24) with projecting spikes (26) being positioned in spaced relation on the mandrel (12) to assist in maintaining filament positioning and spacing, the filaments (16) extending between the respective collars (24) with filament spacing being maintained by segregating the filaments (16) with the projecting spikes (26).
4. The method as defined in claim 1 , slotted grooves being positioned in spaced relation on the mandrel (12) to assist in maintaining filament positioning and spacing.
5. The method as defined in claim 1 , including the step of wrapping a circumferential wrap of filament (16) around the mandrel (12) at the end of each pass in order to anchor the filament (16).
6. The method as defined in claim 1 , at least one ring (28) being provided which is co-axial to and encircles the mandrel (12), the yarn (32) being positioned on a spool (30), which is mounted on the ring (28), the spool (30) orbiting the mandrel (12) to apply yarn (32) circumferentially to the mandrel (12).
7. The method as defined in claim 6 , more than one ring (28) being provided.
8. The method as defined in claim 6 , the spool (30) being fixed in position on the ring (28) and the ring (28) rotating about its axis.
9. The method as defined in claim 6 , guides (33) being provided to guide the path of the yarn (32) as it leaves the spool (30).
10. The method as defined in claim 9 , the guides (33) being supported by a support-arm.
11. The method as defined in claim 1 , the orientation of the filament being controlled by selectively rotating the mandrel (12).
12. The method as defined in claim 1 , the mandrel (12) being moved axially.
13. The method as defined in claim 6 , the at least one ring (28) being moved axially along the mandrel (12).
14. The method as defined in claim 1 , wherein at least one impregnation box (14) is provided to impregnate filament (16) with resin.
15. The method as defined in claim 1 , wherein guide rollers (20) are provided to control application of the filament (16).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CA2,444,324 | 2003-10-22 | ||
CA002444324A CA2444324A1 (en) | 2003-10-22 | 2003-10-22 | Method and apparatus for maintaining filaments in position in a filament winding process |
PCT/CA2004/001885 WO2005037527A1 (en) | 2003-10-22 | 2004-10-18 | Method and apparatus for maintaining filaments in position in a filament winding process |
Publications (1)
Publication Number | Publication Date |
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US20070125487A1 true US20070125487A1 (en) | 2007-06-07 |
Family
ID=34427653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/576,894 Abandoned US20070125487A1 (en) | 2003-10-22 | 2004-10-18 | Method and apparatus for maintaining filaments in position in a filament winding process |
Country Status (7)
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US (1) | US20070125487A1 (en) |
KR (1) | KR20060111453A (en) |
CN (1) | CN1871116A (en) |
AU (1) | AU2004281861A1 (en) |
CA (1) | CA2444324A1 (en) |
MX (1) | MXPA06004525A (en) |
WO (1) | WO2005037527A1 (en) |
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US4172562A (en) * | 1976-12-23 | 1979-10-30 | Union Carbide Corporation | Process for winding filaments on a mandrel |
US4432302A (en) * | 1982-05-05 | 1984-02-21 | Mcdonnell Douglas Corporation | Resin impregnation ring |
US4603084A (en) * | 1983-08-02 | 1986-07-29 | Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung | Article of manufacture with a connecting element and method for securing the element to the article |
US5468329A (en) * | 1994-03-01 | 1995-11-21 | Advanced Composites, Inc. | Universal pin strip and ring for filament winding |
US20030051795A1 (en) * | 2001-05-29 | 2003-03-20 | Burgess Keith E. | Over-wrapping a primary filament to fabricate a composite material |
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CA748843A (en) * | 1966-12-20 | J. Reed Daniel | Apparatus for fabricating reinforced plastic pipe | |
CA2274328C (en) * | 1999-06-10 | 2005-08-23 | Bruce Elliott | Method of manufacturing composite tubular parts through filament winding |
-
2003
- 2003-10-22 CA CA002444324A patent/CA2444324A1/en not_active Abandoned
-
2004
- 2004-10-18 WO PCT/CA2004/001885 patent/WO2005037527A1/en active Application Filing
- 2004-10-18 KR KR1020067007698A patent/KR20060111453A/en not_active Application Discontinuation
- 2004-10-18 MX MXPA06004525A patent/MXPA06004525A/en unknown
- 2004-10-18 CN CNA2004800310290A patent/CN1871116A/en active Pending
- 2004-10-18 AU AU2004281861A patent/AU2004281861A1/en not_active Abandoned
- 2004-10-18 US US10/576,894 patent/US20070125487A1/en not_active Abandoned
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US3201298A (en) * | 1958-05-16 | 1965-08-17 | Bristol Aeroplane Plastics Ltd | Apparatus for helical winding of a plurality of threads |
US3282757A (en) * | 1962-12-14 | 1966-11-01 | Structural Fibers | Method of making a filament reinforced pressure vessel |
US3378427A (en) * | 1964-06-26 | 1968-04-16 | Smith Corp A O | Apparatus for winding articles |
US4089727A (en) * | 1976-09-07 | 1978-05-16 | Shakespeare Company | Apparatus for making fiber reinforced plastic members |
US4172562A (en) * | 1976-12-23 | 1979-10-30 | Union Carbide Corporation | Process for winding filaments on a mandrel |
US4130451A (en) * | 1977-04-29 | 1978-12-19 | Standard Oil Company (Indiana) | Process for the manufacture of filament wound pipe using deformable material at the wind stops |
US4432302A (en) * | 1982-05-05 | 1984-02-21 | Mcdonnell Douglas Corporation | Resin impregnation ring |
US4603084A (en) * | 1983-08-02 | 1986-07-29 | Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung | Article of manufacture with a connecting element and method for securing the element to the article |
US5468329A (en) * | 1994-03-01 | 1995-11-21 | Advanced Composites, Inc. | Universal pin strip and ring for filament winding |
US20030051795A1 (en) * | 2001-05-29 | 2003-03-20 | Burgess Keith E. | Over-wrapping a primary filament to fabricate a composite material |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011072846A3 (en) * | 2009-12-16 | 2011-09-01 | Messier-Bugatti-Dowty | Methods for producing a part made from a composite material, obtained by depositing layers of reinforcing fibers urged onto a mandrel |
FR2954210A1 (en) * | 2009-12-18 | 2011-06-24 | Messier Dowty Sa | PROCESS FOR MANUFACTURING A PIECE OF COMPOSITE MATERIAL OBTAINED BY DEPOSITING REINFORCING FIBER LAYERS PLATED ON A CHUCK |
US10005877B2 (en) | 2013-06-25 | 2018-06-26 | Covestro Llc | Polyurethane pultrusion formulations for the production of articles with improved coating adhesion and articles produced therefrom |
EP3074444A4 (en) * | 2013-11-27 | 2017-08-16 | Dow Global Technologies LLC | Cardanol modified epoxy polyol |
US10232567B2 (en) * | 2015-04-24 | 2019-03-19 | Magna Exteriors (Bohemia) s.r.o. | Device for laying up a composite product with fibrous rovings |
US20160332390A1 (en) * | 2015-05-11 | 2016-11-17 | Bayer Materialscience Llc | Filament winding processes using polyurethane resins and systems for making composites |
US9757905B2 (en) * | 2015-05-11 | 2017-09-12 | Covestro Llc | Filament winding processes using polyurethane resins and systems for making composites |
CN105058764A (en) * | 2015-08-31 | 2015-11-18 | 江苏恒神股份有限公司 | Dry-method winding formation method for carbon fiber composite transmission axle tube |
US20210394461A1 (en) * | 2018-11-15 | 2021-12-23 | Murata Machinery, Ltd. | Filament winding apparatus |
US11472095B2 (en) * | 2018-11-15 | 2022-10-18 | Murata Machinery, Ltd. | Filament winding apparatus |
WO2023044561A1 (en) * | 2021-09-24 | 2023-03-30 | Rs Technologies Inc. | Utility pole assembly and laminate structure for a utility pole assembly |
Also Published As
Publication number | Publication date |
---|---|
KR20060111453A (en) | 2006-10-27 |
AU2004281861A1 (en) | 2005-04-28 |
CN1871116A (en) | 2006-11-29 |
MXPA06004525A (en) | 2006-06-23 |
WO2005037527A1 (en) | 2005-04-28 |
CA2444324A1 (en) | 2005-04-22 |
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Owner name: RESIN SYSTEMS, INC., CANADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ELLIOTT, BRUCE L;REEL/FRAME:018130/0948 Effective date: 20031126 |
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