WO2006033158A1 - 樹脂製ジョイントブーツの製造方法及び製造装置 - Google Patents
樹脂製ジョイントブーツの製造方法及び製造装置 Download PDFInfo
- Publication number
- WO2006033158A1 WO2006033158A1 PCT/JP2004/013935 JP2004013935W WO2006033158A1 WO 2006033158 A1 WO2006033158 A1 WO 2006033158A1 JP 2004013935 W JP2004013935 W JP 2004013935W WO 2006033158 A1 WO2006033158 A1 WO 2006033158A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diameter
- joint boot
- resin
- mold
- joint
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
- F16D3/845—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers allowing relative movement of joint parts due to the flexing of the cover
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3032—Preforms or parisons made of several components having components being injected
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3041—Preforms or parisons made of several components having components being extruded
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/703—Bellows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
Definitions
- the present invention is mainly used for a triport type constant velocity joint boot of an automobile, and the whole including a bellows-like hollow portion and connection ports at both ends thereof is integrally formed with a thermoplastic resin.
- the present invention relates to a manufacturing method and a manufacturing apparatus for a resin joint boot to be molded.
- This type of resin joint boot prevents dust and water from entering the triport type constant velocity joint of an automobile and keeps the enclosed grease from leaking out.
- the bellows-like hollow portion has a large-diameter round portion that is fastened and fixed to an outer case provided at the end portion on the driven shaft side via a band or the like on the other end side of the bellows-like hollow portion. And a small-diameter opening portion fixed to the transmission shaft via a band or the like.
- Patent Document 1 1)
- a small diameter is formed on the outlet gap of the annular orifice nozzle formed by a nozzle core and a nozzle base that concentrically surrounds the core and forms an outlet gap for extruding molten resin between the core.
- Bow with mouth forming cavity I Exit device is brought into contact with outlet gap force After molding a small-diameter mouth portion by injecting thermoplastic molten resin into the cavity of the drawer device, the molten iron is melted through the outlet gap. While the oil is further pushed out, the drawing device is moved away from the annular orifice nozzle to form a tubular nozzle, and then the uppermost part of the nozzle base that has formed the outlet gap is defined as a blow molding mold.
- a bellows-shaped hollow part is formed by blow molding a tubular parison, and a large-diameter mouth forming key formed at the lower part of the nozzle base.
- a manufacturing apparatus therefor has also been known (for example, see Patent Document 2).
- Patent Document 1 Japanese Patent Laid-Open No. 6-234150
- Patent Document 2 Japanese Patent Laid-Open No. 2002-361715
- the large-diameter round part has a rounded outer periphery and an inner peripheral surface with irregularities with protrusions radially inward at multiple locations in the circumferential direction. It is possible to produce the joint boots made of resin that is desired to be made Do not, and, there was a cormorant problem.
- the cavity for molding the large-diameter round portion is used as a molten resin flow path during injection molding of the small-diameter opening and parison formation, so the cavity portion is used as the molten resin flow path.
- the present invention has been made in view of the above circumstances, and by reducing the cooling time, a molding cycle is achieved.
- the purpose of the present invention is to provide a method and an apparatus for manufacturing a resin joint boot that can efficiently manufacture a resin joint boot having a large-diameter mouth portion with a very high dimensional accuracy. It is said.
- a method for manufacturing a resin joint boot according to the present invention includes a joint boot having a large-diameter mouth portion at one end of a bellows-shaped hollow portion and a small-diameter mouth portion at the other end.
- a method of manufacturing a resin joint boot that is integrally molded with thermoplastic resin, and has a diameter corresponding to the small-diameter mouth portion of the joint boot, and an outlet gap that can extrude the thermoplastic molten resin is formed.
- the diameter of the pull-out device having the large-diameter portion forming cavity of the joint boot on the outlet gap of the annular orifice nozzle is gradually increased from the outlet gap to the pull-out device cavity therebetween.
- the outlet gap of the annular orifice nozzle is brought into contact with an auxiliary nozzle base that forms a conical annular molten resin passage.
- a step of forming a large-diameter opening of the joint boot by injecting molten resin into the cavity of the drawing device through a conical annular molten resin passage, and the auxiliary nozzle cap is moved and retracted to the side.
- the tubular parison is drawn by moving the drawing device away from the annular orifice nozzle force while extruding molten resin through the outlet gap of the annular orifice nozzle while keeping the formed large-diameter round portion cooled.
- the blow molding split mold is moved closer to the tubular parison side to clamp the mold, and the inside of the tubular parison By blowing compressed gas, the parison is blow-molded into a shape that conforms to the inner shape of the blow mold.
- a step of integrally molding the abdomen-shaped hollow portion and the small-diameter mouth portion, and moving the blow molding split mold to the side to open the mold, and forming a split mold that constitutes the large-diameter portion forming cavity And a step of opening and taking out the large-diameter mouth portion.
- the apparatus for manufacturing a resin joint boot according to the present invention includes a joint boot having a large-diameter mouth portion at one end of the bellows-like hollow portion and a small-diameter mouth portion at the other end by a thermoplastic resin.
- the joint bush An annular orifice nozzle having a diameter corresponding to the small-diameter mouth portion and formed with an outlet gap capable of extruding thermoplastic molten resin, and abutting on the outlet gap of the annular orifice nozzle It is possible to switch between the arranged state and the state moved and retracted to the side of the annular orifice nozzle, and in the state where it is placed in contact with the outlet gap, the diameter gradually increases outward from the outlet gap.
- An auxiliary nozzle base that forms a conical annular molten resin passage, and a large-diameter rod portion that can be connected to the outlet gap of the annular orifice nozzle via the conical annular molten resin passage of the auxiliary nozzle base
- the tubular parison is formed by injecting molten resin into the cavity to form the large-diameter opening of the joint boot and then moving the annular orifice nozzle force apart.
- the drawer device to be formed and the drawer device are moved away from the annular orifice nozzle by a predetermined stroke, the drawer device is moved close to the tubular parison side and clamped, and compressed gas is blown into the tubular parison.
- a blow molding split mold is provided which blow-molds the parison into a predetermined shape and integrally molds the bellows-shaped hollow portion and the small-diameter mouth portion of the joint boot.
- a large-diameter mouth portion that is most difficult to form and requires the highest dimensional accuracy is first formed by injection molding, and the formed large-diameter mouth portion is retained.
- the tubular parison is drawn out and formed with a uniform and stable shrinkage around the entire circumference, and then the bellows-shaped hollow portion and the small-diameter mouth portion are integrally blow-molded using a blow molding split mold.
- the outer peripheral surface has a round shape
- the inner peripheral surface has a large-diameter round portion with a different diameter, which is a concavo-convex shape having protrusions radially inward at a plurality of locations in the circumferential direction.
- the resin joint boot to be molded has an outer peripheral surface of the large-diameter round portion at one end of the bellows-shaped hollow portion formed in a substantially circular shape, and an inner peripheral surface thereof is a peripheral circle.
- the protrusion is formed in a concavo-convex shape having a radially inwardly protruding portion at a location
- the protruding portion force at the large-diameter mouth portion is radially curved inwardly
- the large-diameter An arc-shaped outer wall portion constituting a part of the outer peripheral surface of the portion, a radially extending central support wall connecting the inner wall portion and the outer wall portion at the center in the circumferential direction of the two, and Left and right side support walls that connect the inner wall portion and the outer wall portion may be provided on both sides, and the side support walls may be inclined so as to approach the central support wall toward the outside.
- the projecting portion is provided with a hollow hole as a hollow portion, and therefore, the projecting portion can be cooled more quickly than in the case where the hollow hole is not formed.
- the side support wall is arranged in parallel to the central support wall, the outer side hole of the side support wall becomes small, and therefore the force that makes it difficult to remove the core as described above.
- the cross-sectional area of the lightening hole on the outside of the side support wall can be secured, and the demoldability of the core can be secured.
- the outer surface of the inner wall portion can be supported by the side support wall substantially perpendicular to the inner wall portion.
- the side support wall is coupled to the inner wall portion substantially perpendicularly to the inner wall portion at an intermediate position between the root portion of the inner wall portion to the outer wall portion and the connecting portion of the central support wall. It is preferable.
- the large-diameter opening forming cavity includes a plurality of circumferentially arranged inner peripheral surfaces of the large-diameter round portion.
- the split mold that constitutes the large-diameter portion forming cavity in the drawer device is provided in a recessed portion formed at the tip of the drawer device body.
- an inner mold that can be inserted, fixed, and pulled out in the direction of the drawer movement of the device, and an annular portion around the recessed portion can be formed and moved sideways to open the mold.
- the mold structure is simplified and the equipment cost of the entire manufacturing apparatus is reduced, compared with the case where they are provided separately.
- the inner mold By exchanging and using the inner mold, it is possible to selectively form a large-diameter portion having various different diameters.
- the cooling for holding the injection-molded large-diameter mouth portion in the split mold constituting the large-diameter portion forming cavity is cooled. It is preferable to provide a water pipe. In this case, it is possible to quickly and uniformly cool and stabilize the large-diameter portion that was initially molded by injection, and to move to the next step of extracting the next step quickly, further increasing the molding cycle. In addition, the large-diameter round portion can be reliably kept cold even when the tubular parison is pulled out, thereby preventing deterioration in accuracy such as deformation. The invention's effect
- FIG. 1 and FIG. 2 are vertical cross-sectional views of a triport-type constant velocity joint resin boot for automobiles, which is a representative example of a resin joint boot to be molded by the present invention. And a bottom view thereof.
- This triport type of oil-absorbent boot 1 for a constant velocity joint for automobiles has a large diameter rod portion 3 at one end of a bellows-shaped hollow portion 2 and a small diameter mouth portion 4 at the other end, These are integrally formed of thermoplastic resin.
- the large-diameter portion 3 at one end has an outer peripheral surface 3a formed in a perfect circle and an inner peripheral surface 3b.
- the projecting portion 3c of the inner peripheral surface 3b ensures a sealing property between the two when the large-diameter portion 3 is fastened and fixed to the outer case provided at the end of the driven shaft (not shown) via a band or the like. Because of the outer case It fits into the concave part formed in the surrounding surface.
- the small-diameter opening 4 at the other end is shown as it is after blow molding described later in FIG. 1, and finally the tip 4a is cut off along the alternate long and short dash line X to become a product.
- FIGS. Inner diameter (inner diameter before cutting)
- An orifice nozzle 7 and a circumferentially-divided auxiliary nozzle base 8 that can be switched between a state of being seated on the outlet gap 6 of the annular orifice nozzle 7 and a state of being retracted to the side of the orifice nozzle 7 8
- a drawing device 9 that can be driven and moved in an arrow ab direction approaching and separating from the outlet gap 6 of the annular orifice nozzle 7 and an arrow cd that is approaching and separating from the side to a tubular parison described later.
- the drawer device 9 is provided with a cavity 11 for injection molding the large-diameter portion 3 of the resin boot 1.
- This cavity 11 is composed of a split mold 12 incorporated in a drawer 9.
- the split mold 12 includes an inner mold 12A that can be inserted, fixed, and pulled out in the moving direction of the drawing device 9 with respect to the recessed portion 9a formed at the tip of the drawing device main body 9A, and an annular portion around the recessed portion 9a.
- the outer mold 12B is a circumferentially divided mold that can be attached to and detached from the outer peripheral surface of the drawer apparatus body 9A from the side.
- a nozzle core 13 having a conical outer surface is concentrically fixed and held at the center of the inner mold 12A of the split mold 12, and the conical outer surface of the nozzle core 13 and the auxiliary nozzle base 8 are connected to each other.
- the diameter gradually increases from the outlet gap 6 toward the cavity 11 between the conical inner surface on the side of the auxiliary nozzle base 8 facing it (conical outer surface). It is configured so as to form a conical annular molten resin passage 14 in which the diameter of the molten resin is increased.
- the inner mold 12A is made of a heat insulating material in this example.
- the blow molding split mold 10 includes a bellows-shaped molded portion 10a corresponding to the outer surface shape of the bellows-shaped hollow portion 2 of the resin-made boot 1, and the outer surface of the small-diameter mouth portion 4 of the resin-made boot 1 at one end thereof. It is formed in an inner surface shape having a cylindrical shaped portion 10b corresponding to the shape.
- cooling water pipes 16 are respectively built in the inner mold 12A and the outer mold 12B of the split mold 12 and the portions facing the cavity 11 of the drawer main body 9A. Further, the annular orifice nozzle 7 pushes out the thermoplastic melted resin 5 pumped by the pressure piston from the outlet gap 6 and sends out the compressed gas for blow molding instead of the melted resin 5. Can be switched to the state! Speak.
- the blow molding split mold 10 is moved to the side as shown by the arrow d in FIG. Open the mold and move the outer mold 12B to the side indicated by the arrow f among the split molds 12 constituting the large-diameter part forming cavity 11.
- the drawing device 9 By moving the drawing device 9 upward as indicated by the arrow “b” while holding the resin-made bush 1, the large-diameter portion 3 that has been injection-molded first is taken out from the split mold 12.
- a triport-type constant velocity joint made of grease for a constant velocity joint in which a large-diameter round portion 3 is formed at one end of the bellows-shaped hollow portion 2 and a small-diameter mouth portion 4 is formed at the other end 1 Can be manufactured efficiently.
- FIG. 8 and FIG. 9 are a longitudinal sectional view and a bottom view of a triport type constant velocity joint bush 20 for a constant velocity joint according to another embodiment.
- the configuration of the protruding portion 3c in the large-diameter round portion 3 and the manufacturing method therefor are different from those in the above-described embodiment, and other configurations are basically the same as those in the above-described embodiment. Parts are denoted by the same reference numerals and description thereof is omitted.
- the projecting portion 3c includes an inner wall portion 31 that protrudes inwardly in a curved shape, and an arc-shaped outer wall that constitutes a part of the outer peripheral surface 3a of the large-diameter round portion 3.
- the side support walls 34, 34 are formed so as to be inclined so as to approach the center support wall 34 toward the outer side that is not parallel to the center support wall 33 provided radially from the center of the large diameter portion 3.
- the side support wall 34 is connected to the outer wall portion of the inner wall portion 31 so that the inner wall portion 31 is supported by the central support wall 33 and the side support wall 34 at equal intervals in the circumferential direction.
- the inner wall portion 31 is supported at an intermediate position between the base portion 3 la and the connecting portion 31b of the central support wall, The intermediate wall 31 is connected to the intermediate position.
- the connecting portion is provided so as to intersect with the inner wall portion 31 substantially perpendicularly so that the connecting portion force is inclined toward the center, that is, closer to the central support wall 34 as it goes outward.
- a plurality of (four in this example) lightening holes 36, 35, 35, and 36 arranged in the circumferential direction are provided in the protrusion 3c.
- the pair of inner hollow holes 35, 35 partitioned by the central support wall 33 has a trapezoidal shape in which the outer peripheral surface 3a side of the large diameter portion is narrowed.
- the pair of outer holes 36, 36 on the outer side has a triangular shape.
- a pulling-out device 9 shown in FIG. 10 is used in the present embodiment.
- axial recess holes 35, 35, 36, 36 are formed in the protrusion 3 c in the recess 17 for forming the protrusion 3 c provided in the large-diameter portion forming cavity 11.
- a core 18 is provided.
- the core 18 is provided so as to be movable back and forth in the axial direction with respect to the recess 17 by a drive device 19 such as a hydraulic or air cylinder provided in the drawer main body 9A.
- the large-diameter portion 3 is injection-molded with the core 18 protruding into the recess 17, and the core 18 is driven during demolding after blow molding.
- the large-diameter portion 3 is removed by moving the outer die 12B to the side by opening the die by moving the outer die 12B to the side, and then moving the drawing device 9 upward.
- Other manufacturing methods can be performed in the same manner as in the above embodiment.
- the core 18 is provided so as to be able to advance and retreat with respect to the recess 17 as described above, and the large-diameter opening 3 is removed after the core 18 is retracted.
- the large-diameter portion 3 can be removed smoothly compared to the case where the core is fixed.
- the frictional resistance between the outer peripheral surface of the core and the inner peripheral surface of the cut-out hole will increase when the drawer 9 is moved upward and the mold is removed. Excessive force may act on the boot made of resin 1 that keeps it against the pulling device 9 that does not move and may deform, but this problem can be solved by making the core 18 movable forward and backward. Can do.
- the protrusion 3c is provided with the lightening holes 35 and 36, so that the protrusion 3c can be cooled more quickly than when the lightening holes are not formed. Can do. If the side support walls 34, 34 are arranged parallel to the central support wall 33, the side A force that makes it difficult to remove the core 18 when the outside hollow hole 36 on the outer side of the support wall 34 becomes smaller, so that the outer outer side hollow hole 36 is inclined by tilting toward the central support wall 33 as described above. This ensures the cross-sectional area of the core 18 and ensures the demoldability of the core 18.
- the inclination enables the outer surface of the inner wall portion 31 to be supported by the side support wall 34 that is substantially perpendicular to the inner wall portion 31. Therefore, when the large-diameter round portion 3 is fastened and fixed, the inner wall portion 31 can be supported.
- the surface pressure exerted on the outer case can be made as uniform as possible in the circumferential direction, and the sealing performance in the large diameter portion 3 can be improved.
- the present invention is not limited to this, and the large-diameter portion may be a joint boot having a different diameter. Can be effectively applied.
- the large-diameter mouth portion that is the most difficult to mold and requires the highest dimensional accuracy is first injection molded, and the molded large Since the tubular parison is drawn out and the bellows-shaped hollow part and the small-diameter mouth part are integrally blow-molded while the diameter part is kept cold, the outer peripheral surface is a perfect circle and the inner peripheral surface is a plurality of locations in the circumferential direction.
- FIG. 1 is a longitudinal sectional view of a resinous boot for a constant velocity joint of a triport type for an automobile, which is a representative example of a resinous joint boot according to the present invention.
- FIG. 2 is a bottom view of the resin-made boot for constant velocity joints.
- FIG. 3 is a longitudinal sectional view of an essential part showing a molded state in a large-diameter round portion of a resin-made boot for a constant velocity joint.
- FIG. 4 is a longitudinal sectional view of an essential part showing a state in which the tubular parison of the resin boot for constant velocity joint is formed.
- FIG. 5 is a longitudinal sectional view of an essential part showing a state of mold clamping before blow molding of a grease boot for a constant velocity joint.
- FIG. 6 is a longitudinal sectional view of an essential part showing a blow-molded state of a grease boot for a constant velocity joint.
- FIG. 7 is a longitudinal sectional view of an essential part showing a mold open state after completion of blow molding of a resinous boot for a constant velocity joint.
- FIG. 8 is a longitudinal sectional view of a greave boot for a constant velocity joint according to another embodiment.
- FIG. 9 is a bottom view of the grease boot for constant velocity joints of FIG.
- FIG. 10 is a cross-sectional view of a drawing device used for manufacturing the resin boot for the constant velocity joint shown in FIG.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/013935 WO2006033158A1 (ja) | 2004-09-24 | 2004-09-24 | 樹脂製ジョイントブーツの製造方法及び製造装置 |
JP2005512269A JP4291325B2 (ja) | 2004-09-24 | 2004-09-24 | 樹脂製ジョイントブーツの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/013935 WO2006033158A1 (ja) | 2004-09-24 | 2004-09-24 | 樹脂製ジョイントブーツの製造方法及び製造装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006033158A1 true WO2006033158A1 (ja) | 2006-03-30 |
Family
ID=36089925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013935 WO2006033158A1 (ja) | 2004-09-24 | 2004-09-24 | 樹脂製ジョイントブーツの製造方法及び製造装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4291325B2 (ja) |
WO (1) | WO2006033158A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1803955A1 (en) * | 2004-10-19 | 2007-07-04 | Toyo Tire & Rubber Co., Ltd . | Joint boot |
WO2011121203A1 (fr) * | 2010-03-31 | 2011-10-06 | Trelleborg Boots France | Machine et procede de fabrication d'un manchon et manchon ainsi obtenu |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5595521A (en) * | 1979-01-12 | 1980-07-19 | Dainippon Printing Co Ltd | Manufacture of painted heat resisting molded container |
JPH09300436A (ja) * | 1996-05-14 | 1997-11-25 | Placo Co Ltd | 等速ジョイントなどの保護ブーツの射出ブロー成形方法と、その装置及びこれに使用される成形金型 |
JP2003329057A (ja) * | 2002-05-14 | 2003-11-19 | Toyo Tire & Rubber Co Ltd | 樹脂製ジョイントブーツ |
-
2004
- 2004-09-24 WO PCT/JP2004/013935 patent/WO2006033158A1/ja active Application Filing
- 2004-09-24 JP JP2005512269A patent/JP4291325B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5595521A (en) * | 1979-01-12 | 1980-07-19 | Dainippon Printing Co Ltd | Manufacture of painted heat resisting molded container |
JPH09300436A (ja) * | 1996-05-14 | 1997-11-25 | Placo Co Ltd | 等速ジョイントなどの保護ブーツの射出ブロー成形方法と、その装置及びこれに使用される成形金型 |
JP2003329057A (ja) * | 2002-05-14 | 2003-11-19 | Toyo Tire & Rubber Co Ltd | 樹脂製ジョイントブーツ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1803955A1 (en) * | 2004-10-19 | 2007-07-04 | Toyo Tire & Rubber Co., Ltd . | Joint boot |
EP1803955A4 (en) * | 2004-10-19 | 2008-11-05 | Toyo Tire & Rubber Co | CONNECTION SLEEVE |
WO2011121203A1 (fr) * | 2010-03-31 | 2011-10-06 | Trelleborg Boots France | Machine et procede de fabrication d'un manchon et manchon ainsi obtenu |
FR2958205A1 (fr) * | 2010-03-31 | 2011-10-07 | Trelleborg Prodyn | Machine et procede de fabrication d'un manchon et manchon ainsi obtenu |
Also Published As
Publication number | Publication date |
---|---|
JP4291325B2 (ja) | 2009-07-08 |
JPWO2006033158A1 (ja) | 2008-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR930004168B1 (ko) | 이중벽구조의 튜브조립체 및 그 계속적 제조방법 | |
EP0918618B1 (en) | Improved boot and method of making such a boot | |
JPH0777765B2 (ja) | 内側がなめらかで外側にリブを備えた管を押出し成形可能なプラスチックから製造する方法及び該方法を実施するための装置 | |
US20110101562A1 (en) | Tubular member extrusion method and tubular member extrusion apparatus | |
JP4291325B2 (ja) | 樹脂製ジョイントブーツの製造方法 | |
CN113320085B (zh) | 多级投射物、部件的成型方法及部件 | |
JP2004351752A (ja) | 樹脂製ジョイントブーツの製造方法及び製造装置 | |
JP4033068B2 (ja) | 中空品の成形方法 | |
WO2020110369A1 (ja) | 樹脂管の製造方法 | |
JPS6361170B2 (ja) | ||
JP3809658B2 (ja) | ブーツのブロー成形装置及びその製造方法 | |
EP2677154B1 (en) | Line system for a fluid, method of manufacturing a line system and apparatus for manufacturing a line system | |
JP3480715B2 (ja) | ブロー成形による樹脂チューブの製造方法及びそれに用いられる押出しダイ | |
JP2001277305A (ja) | コネクタ付き樹脂ホースの製造法 | |
JP4914837B2 (ja) | 等速ジョイント用ブーツ、等速ジョイント用ブーツの製造方法、等速ジョイント用ブーツの製造装置 | |
JP2009023179A (ja) | フランジ付樹脂チューブの製造方法 | |
JP3113928B2 (ja) | 消失模型成形型 | |
JP2023017495A (ja) | 管体の製造装置 | |
JP3353180B2 (ja) | パイプ付き中空体の製造方法 | |
JP2005106294A (ja) | 樹脂製ジョイントブーツ | |
JP2016043675A (ja) | ベローズの製造方法およびベローズ | |
JP2016043677A (ja) | ベローズの製造方法およびベローズ | |
JPH0244984Y2 (ja) | ||
KR970000933B1 (ko) | 축방향 연장부와 방사상 연장부를 갖는 중공 플라스틱 제품의 제조방법 및 이로부터 제조된 중공 플라스틱 도관 | |
JPH07266401A (ja) | 曲り管の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2005512269 Country of ref document: JP |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |