WO2004111426A1 - 合成樹脂溶着体 - Google Patents
合成樹脂溶着体 Download PDFInfo
- Publication number
- WO2004111426A1 WO2004111426A1 PCT/JP2004/007967 JP2004007967W WO2004111426A1 WO 2004111426 A1 WO2004111426 A1 WO 2004111426A1 JP 2004007967 W JP2004007967 W JP 2004007967W WO 2004111426 A1 WO2004111426 A1 WO 2004111426A1
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- WO
- WIPO (PCT)
- Prior art keywords
- passage
- bore
- joint surface
- line
- synthetic resin
- Prior art date
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
- B29C65/0609—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding characterised by the movement of the parts to be joined
- B29C65/0618—Linear
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
- B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
- B29C66/12443—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue substantially in the middle
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
- B29C66/5472—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes for making elbows or V-shaped pieces
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
- B29C66/5472—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes for making elbows or V-shaped pieces
- B29C66/54721—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes for making elbows or V-shaped pieces for making L-shaped pieces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10072—Intake runners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10354—Joining multiple sections together
- F02M35/1036—Joining multiple sections together by welding, bonding or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/112—Intake manifolds for engines with cylinders all in one line
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/081—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations having a component of vibration not perpendicular to the welding surface
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
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- 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
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/749—Motors
-
- 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
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/749—Motors
- B29L2031/7492—Intake manifold
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10347—Moulding, casting or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/19—Sheets or webs edge spliced or joined
- Y10T428/192—Sheets or webs coplanar
- Y10T428/195—Beveled, stepped, or skived in thickness
Definitions
- the present invention relates to a synthetic resin welded body for forming a passage communicating with a bore by welding two members. Kyoto technology
- an intake manifold having the same number of intake passages as the number of cylinders is provided between the engine and the slotless body. Since the intake manifold has different shapes of intake passages, an intake manifold made of synthetic resin has been provided from the viewpoints of ease of shape creation, weight reduction and cost reduction. (Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-342917 (Page 3, FIG. 4-5)
- the intake manifold 10 has a lower member 14 connected to the throttle body 12 and an intermediate member as a first member connected to one of the lower members 14 and the other connected to the engine 16. It is composed of three members: a member 18 (see FIG. 17) and an upper member 20 (see FIG. 18) as a second member connected above the intermediate member 18. As shown in FIG. 19, a plurality (for example, four) of intake passages 22a, 22b, 22c, and 22d are formed inside the intake manifold 10.
- the intermediate member 18 has, for example, four branched lower arms 24a, 24b, 24c, and 24d obtained by cutting a pipe in half in the axial direction and bending it into a desired shape.
- a pair of mounting joint surfaces 26a_1 and 26a_2 are formed on both sides of the branch lower arm 24a near the engine 16, and a recess is formed between the pair of mounting joint surfaces 26a_l and 26a_2.
- a lower passage space 30a is formed.
- the lower passage space 30a constitutes a substantially lower half space of the intake passage 22a.
- a pair of mount joint surfaces 26b-l and 26b-2 are formed on both sides of the branch lower arm 24b, and a lower portion is formed as a recess between the pair of mount joint surfaces 26b-l and 26b-2.
- a passage space 30b is formed.
- branch lower arm 24c A pair of mount joint surfaces 26c-1 and 26c-2 are formed on both sides, and a lower passage space 30c is formed as a recess between the pair of mount joint surfaces 26c-1 and 26c-2.
- a pair of mounting joint surfaces 26d-1 and 26d-2 are formed on both sides of the branching lower arm 24d, and a lower recess is formed between the pair of mounting joint surfaces 26d-1 and 26d-2. Passage space 30d force S formed.
- These lower passage spaces 30a, 30b, 30c, 30d constitute a part (first intake passage portion) of each intake passage 22a, 22b, 22c, 22d.
- the mount joint surface 26a_2 and the mount joint surface 26b_l are merged on the way to form a mount joint surface 28ab
- the mount joint surface 26b_2 and the mount joint surface 26c_l are merged on the way and mount jointly.
- the mount connecting surface 26c_2 and the mount connecting surface 26d_l are merged on the way to form a mount connecting surface 28cd.
- the upper member 20 has, for example, four branch upper arms 32a, 32b, 32c, and 32d obtained by cutting a tube in half in the axial direction and bending it into a desired shape.
- Each branch upper arm 32a, 32b, 32c, 32d has a depression S, a U-Tsukuda J passage space 34a, 34b, 34c, 34d as a force, and these upper passage spaces 34a, 34b, 34c, 34d are suctioned.
- the second intake passage portion which is substantially the upper half of the passages 22a, 22b, 22c, 22d, is formed.
- vibration welding By applying vibration welding to each of the lower passage spaces 30a, 30b, 30c, 30d and the upper passage spaces 34a, 34b, 34c, 34d in force S, the four intake passages 22a, 22b, 22c , 22d (Fig. 19) The force S is formed.
- FIG. 21 shows a joint state between the branch lower arm 24 and the branch upper arm 32.
- the joint surface 26 (28) of the branch lower arm 24 with the branch upper arm 32 is composed of a central joint surface 38 which is a concave joint surface, and a double lateral joint surface 40 which is a convex joint surface on both sides thereof.
- This joint surface 26 (28) is the mount joint surface 26a-1, 26a-2, 26b-1, 26b-2, 26c-2, 26c-2, 26d-2, 26d-1 , 28ab, 28bc, 28cd.
- the joint surface 42 of the branch upper arm 32 with the branch lower arm 24 is composed of a central joint surface 44 which is a convex joint surface, and a double lateral joint surface 46 which is a concave joint surface on both sides thereof.
- the center joint surface 38 of the branch lower arm 24 and the center joint surface 44 of the branch upper arm 32 are set to be on the same plane when joined together.
- the two lateral joint surfaces 40 of the branch lower arm 24 and the two lateral joint surfaces 46 of the branch upper arm 32 are set to be on the same plane when joined together.
- the concave central joint surface 38 and the convex double lateral joint surface 40 are formed on the branch upper arm 32 instead of the branch lower arm 24, and the convex central joint surface 44 and the concave double lateral joint surface 46 are not the branch upper arm 32 and are branched. It is possible that the lower arm 24 could be formed. In the following description, the joint between the branch lower arm 24 and the branch upper arm 32 is indicated by a single plane for convenience.
- a mounting seat 48 is formed on the engine 16 side of the intermediate member 18, and the mounting seat 48 has four cylindrical bores 50 a, 50 b, 50 c. , 50d force S formed.
- One of the four bores 50a, 50b, 50c, 50d communicates with the engine 16, and the other communicates with the lower J passage space 30a, 30b, 30c, 30d, and is laid.
- the good mouths and the bores 50a, 50b, 50c, 50d constitute a part (first intake passage portion) of each intake passage 22a, 22b, 22c, 22d.
- the vibration reference direction refers to a direction in which welding vibration is applied, and is, for example, a direction in which force is applied perpendicularly from the front side to the back side and from the back side to the front side in FIG.
- A-A line indicates one straight line in the vibration reference direction.
- the heads of the respective passages 30a, 30b, 30c, and 30d in the lower J passage spaces 30a, 50b, 50c, and 50d and the traveling direction springs are Ra, Rb, Rc, and Rd.
- all the intake passages 22a, 22b, 22c, and 22d are directed toward the bores 50a, 50b, 50c, and 50d (lower passage spaces 30a, 30b, 30c, 30d)
- the traveling direction line Ra of one lower passage space 30a is arranged at right angles to the line A—A in FIG. Arrangement).
- the traveling direction lines Rb, Rc, Rd in the remaining lower passage spaces 30b, 30c, 30d are set such that the farther from the traveling direction line Ra, the smaller the intersection angle with the AA line becomes less than 90 degrees. ing.
- substantially semi-annular tip joining surfaces 54a, 54b, 54c, 54d located on the same plane are formed around the bores 50a, 50b, 50c, 50d. Both ends of the tip joint surface 54a communicate with the mount joint surfaces 26a-l and 26a-2. Similarly, the distal joint surface 54b communicates with the mount joint surfaces 26b_l, 26b_2, the distal joint surface 54c communicates with the mount joint surfaces 26c_1, 26c-2, and the distal joint surface 54d communicates with the mount joint surfaces 26d_l, 26d_2. .
- the rising boundary line between the leading joint surface 54b and the mount joining surfaces 26b_l and 26b_2 is set to 56b-l and 56b-2
- the rising boundary line between the leading joint surface 54c and the mount joining surfaces 26c-l and 26c-2 are set to 56c-l and 56c-2
- the rising boundary lines from the tip joint surface 54d to the mount joint surfaces 26d-1 and 26d-2 are 56d-l and 56d-2.
- the mount joint surfaces 26a-1 and 26a-2 connected to the distal joint surface 54a are arranged at right angles to the line A--A in FIG. 20, the mount joint surfaces 26a-l and 26a-
- Each inner ridge line 58a facing the lower passage space 30a in 2 does not project toward the lower passage space 30a.
- the ridge line 58b inside the mount joint surface 26b_2 protrudes toward the lower passage space 30b
- the ridge line 58c inside the mount joint surface 26c-2 projects toward the lower passage space 30c
- the ridge line 58d on the mount joint surface 26d_2 The inner ridgeline 58d projects toward the lower passage space 30d.
- FIG. 22 shows a cross-sectional view taken along the line X-X. X- X-rays are inclined with respect to A- A-line.
- FIG. 23 shows a state where the branched lower arm 24d of the intermediate member 18 and the branched upper arm 32d of the upper member 20 shown in FIG. 22 are separated. In FIG. 23, when the branch lower arm 24d of the intermediate member 18 is pulled out with a mold, it is pulled in the direction of arrow Z1. The inner ridge line 58d on the upper surface of the mounting joint surface 26d-2 projects beyond the deepest recessed position 59 of the inner wall of the lower passage space 30d toward the lower passage space 30d.
- a lower thick portion 60d is formed below the ridge line 58d.
- the lower-thickness portion 60d is surrounded by a line 62 vertically lowered from the ridge line 58d and an arc 64 shown by a dotted line (this arc 64 is ideally the wall surface of the lower passage space 30d). It is a cross section.
- the branch upper arm 32d of the upper member 20 is pulled out with a mold, it is pulled out in the direction of arrow Z2.
- the upper thick portion 66d (a broken line section) is formed in the branch upper arm 32d for the same reason as the branch lower arm 24d.
- the lower section 60d and the upper section 66d do not make the passage cross section of the intake passage 22d circular, which is an ideal shape.
- the traveling direction lines Ra, Rb, Rc, Rd of the lower passage spaces 30a, 30b, 30c, 30d of the branch lower arms 24a, 24b, 24c, 24d have different angles with respect to the line A--A, the intake passage 22a , 22b, 22c, and 22d have different cross sections.
- the cross section of the intake passage 22a is an ideal circular shape
- the cross section gradually becomes distorted in a circular shape in the order of the intake passage 22b, the intake passage 22c, and the intake passage 22d.
- the joining surfaces 26d-l and 26d_2 of the branching lower arm 24d are shown in an inclined state. This is because the X-X line cross section in Fig. 20 is inclined with respect to the A-A line, so that the joining surfaces 26d_l and 26d-2 are inclined with respect to the horizontal position line by the inclination angle. .
- Fig. 21 The joint surfaces 26d-1 and 26d-2 of the branch lower arm 24d and the joint surface 42 of the branch upper arm 32d are joined (Fig. 21), and the positions of the lines Y-Y in Fig. 20 in a state where they are vibration welded.
- Fig. 24 shows a cross-sectional view at. This Y-Y line is parallel to the A-A line.
- the lower thick portion 60d of the branch lower arm 24d and the upper thick portion 66d of the branch upper arm 32d face the interior of the intake passage 22d. And the cross section of the intake passage 22d is narrowed.
- the thickness of the joint is increased.
- the thickness of the junction is thickened in order to join with the upper thick part 60d of the branch lower arm 24d. Since the Y-Y line is parallel to the A-A line, the two joining surfaces 26d-1 and 26d-2 of the branching lower arm 24d are both located on the horizontal line HH.
- the intake passages 22b, 22c, and 22d other than the intake passage 22a do not have an ideal circular cross section. This is because the lower thickness portion 60 is formed in the lower arms 24b, 24c, and 24d by cutting the intermediate member 18, and the upper thickness portion is formed in the upper arms 32b, 32c, and 32d by cutting the upper member 20. This is because the lower thick portion 60 and the upper thick portion 66 protrude into the intake passages 22b, 22c, 22d.
- the cross-sections of the intake passages 22b, 22c, and 22d are not circular and have different shapes, and a uniform intake amount cannot be obtained in each of the intake passages 22b, 22c, and 22d, and desired engine performance can be obtained. There was a problem that it could not be done.
- FIGS. 20 and 23 have a plurality of intake passages 22a, 22b, 22c and 22d inclined at different angles, and one intake passage 22a is ideal for the line A—A that is the vibration reference direction. If a circular cross section is used, the other three intake passages 22b, 22c, and 22d do not have an ideal passage cross section. Even in the case of a single passage, it is not possible to form a predetermined angle with respect to line A-A, which is the vibration reference direction.
- the present invention has been made in view of the above points, and has as its object to provide a synthetic resin welded body capable of forming an ideal cross section of a passage reaching a bore by welding two synthetic resins. That is.
- a synthetic resin welded body according to the present invention for achieving the above object is made of a synthetic resin and has a first member formed with a plurality of first passage portions including a plurality of bores, and a synthetic resin. And a second member having a plurality of second passage portions formed therein, and a joint surface of the first member with the second member is formed around the plurality of bores. It is composed of each tip joint surface, each mount joint surface rising from each tip joint surface, and each rising boundary line that is a boundary between the each tip joint surface and each mount joint surface. Forming a plurality of passages by connecting the first passage portion and the second passage portion by joining the first member and the second member and welding the joint surface in a vibration reference direction.
- at least one of the passages arranged in a direction different from a direction perpendicular to a linear direction connecting the plurality of bores an end of each of the rising boundary lines on the passage side is the bore in the front end joining surface.
- the contact force at or near the tangent of the ridge on the passage side of each mounting joint surface to the inner edge of the side, and the rising boundary line is parallel to the vibration reference direction including the end on the passage side What A.
- the synthetic resin welded body according to the present invention is made of synthetic resin, and is made of a synthetic resin and a first member having one bore and one passage portion communicating with the bore.
- a second member having a single bore and a single passage portion communicating with the bore, wherein a joint surface of the first member with the second member is formed around the bore.
- a surface, each mount joint surface rising from the distal joint surface, and each rising boundary line that is a boundary between the distal joint surface and the mount joint surface, and the first member and the second member And by joining the joining surfaces by vibration welding in the vibration reference direction to connect the first passage portion and the second passage portion to form a single passage, which is close to the bore in the passage.
- the direction of the passage at the position is perpendicular to the vibration reference direction.
- the passage-side end of the rising boundary of the passage arranged in a direction different from the vertical direction with respect to a straight line connecting the bores is the bore at the front end joining surface.
- Contact force at or near the tangent of the ridge line on the suction passage side of the mount joint surface to the inner edge of the mount, and the rising boundary line is parallel to the vibration reference direction including the end on the suction passage side It is what it was.
- both the first member and the second member have a wall thickness projecting toward the cross section of the passage, which has conventionally occurred in the plurality of passages. Therefore, the passage section can be formed in an ideal shape.
- the synthetic resin welded body of the present invention for an intake manifold, uniform intake air can be introduced into each cylinder of a multi-cylinder engine, and the engine performance can be improved.
- it since it can be applied to three-dimensional deformation of the intake passage, it also saves space and increases the degree of freedom in design.
- both the first member and the second member have a thick portion protruding toward the cross section of the passage, which has conventionally occurred.
- the cross section of the passage can be made wider, and the flow rate passing through the passage can be made larger than before.
- FIG. 1 is a plan view of a main part of an intermediate member used for a synthetic resin welded body according to a first embodiment of the present invention.
- FIG. 2 is an enlarged view of a main part of FIG. 1.
- FIG. 3 is a perspective view of a main part of an intermediate member used in the present invention.
- FIG. 4 is a perspective view of a main part of an upper member used in the present invention.
- FIG. 5 is a cross-sectional view of a state where the intermediate member and the upper member are welded at the position of line BB in FIG. 1.
- FIG. 6 is a cross-sectional view showing a state where an intermediate member and an upper member shown in FIG. 5 are separated.
- FIG. 7 is a cross-sectional view of the state where the intermediate member and the upper member are welded at the position of the line C_C in FIG. 1.
- FIG. 8 is a diagram corresponding to FIG. 2, in which the cross section of the intake passage is elliptical.
- FIG. 9 is a perspective view showing a state where one of two members constituting a synthetic resin welded body according to a second embodiment of the present invention is turned over and opened.
- FIG. 10 is a plan view showing a state where the two constituent members of FIG. 9 are welded.
- FIG. 11 is a front view of a state where the two constituent members of FIG. 9 are welded.
- FIG. 12 is an enlarged plan view of a main part of one of the constituent members shown in FIG.
- FIG. 13 is a sectional view taken along line E_E in FIG. 10.
- FIG. 14 is a cross-sectional view showing a state where the two components of FIG. 13 are separated.
- FIG. 15 is a cross-sectional view taken along line FF of FIG. 10.
- FIG. 16 is a front view of a conventionally known intake manifold.
- FIG. 17 is a perspective view of an intermediate member constituting the intake manifold.
- FIG. 18 is a perspective view of an upper member constituting the intake manifold.
- FIG. 19 is a plan view of the intake manifold of FIG. 16 on the engine side.
- FIG. 20 is a plan view of the intermediate member of FIG. 17 on the engine side.
- FIG. 21 is a cross-sectional view showing a joint between a branched lower arm and a branched upper arm.
- FIG. 22 is a cross-sectional view of the state where the intermediate member and the upper member are welded at the position of X-X line in FIG. 20.
- FIG. 23 is a sectional view showing a state where the intermediate member and the upper member shown in FIG. 22 are separated.
- FIG. 24 is a cross-sectional view showing a state where the intermediate member and the upper member are welded at the position of line YY in FIG. 20.
- the present invention provides a method of forming a thick wall portion, which is conventionally formed in a passage and protrudes toward a cross section of the passage, when two structural members made of a synthetic resin having one or more passages are subjected to vibration welding. It is something that does not occur.
- FIG. 1 is a plan view of a main part of a synthetic resin welded body according to the present invention
- FIG. 2 is an enlarged view of a main part of FIG. 1
- FIG. 3 is a perspective view of a main part of an intermediate member used in the present invention
- FIG. It is a principal part perspective view of an upper member.
- FIGS. 1 to 4 the same reference numerals as those in FIGS. 16 to 24 denote the same members.
- the synthetic resin welded body according to the present invention will be described by taking an intake manifold having a plurality of passages (intake passages) as an example.
- both the intermediate member 70 as the first member and the upper member 72 as the second member are made of synthetic resin as in the prior art. Further, the point that the joining surface between the intermediate member 70 and the upper member 72 is fixed by vibration welding is the same as the conventional one. Further, of the traveling direction lines Ra, Rb, Rc, and Rd as the passage directions that are directed to the bores 50a, 50b, 50c, and 50d in the intake passages 22a, 22b, 22c, and 22d as the passages for the fluid, At least one heading line It shall be different from the other traveling direction lines.
- each of the substantially semi-annular tip joint surfaces 74b, 74c, 74d located on the same plane is connected to the mount joint surfaces 76b-l, 76b. -2, 76c—1, 76c—2, 76d—1, 76d—2 Start-up boundaries 78b—1, 78b—2, 78c—1, 78c—2, 78d-l, 78d—2 What are the start-up boundaries 56b-1, 56b-2, 56c_1, 56c-2, 56d-l, 56d-2 (all the start-up boundaries are the same as the A-A line) shown in Fig. 20 It is different.
- the rising boundary lines 78a_l, 78a-2 between the tip joint surface 74a related to the intake passage 22a and the mount joint surfaces 76a_l, 76a_2 correspond to the tip joint surface 54a shown in FIG. Start-up between the surface and the surface 26a_l, 26a_2, and the boundary springs 56a_l, 56a_2, as well as on the A_A line. This is because the intake passage 22a has an ideal shape even if it is a conventional one, and therefore the shape of the intake passage 22a is also used as it is in the present invention.
- the vibration reference direction in which the vibration welding is performed is, for example, a direction perpendicular to the front side from the front side of the sheet of FIG.
- the power is not limited to this.
- the A-A line in FIG. 1 passes through the axial centers 52a, 52b, 52c, 52d of the circular bores 50a, 50b, 50c, 50d.
- intersections 82d_l, 82d-2 are the inner ridges 84d-1 and 84d- on the side of the intake passage 22d at the mounting joint surfaces 76d-1 and 76d-2. 2 coincides with the contact point of the tangent to the inner edge 80 on the side of the bore 50d at the tip joint surface 74d.
- the lines that traverse the width of the mounting joint surfaces 76d-1, 76d-2 in the direction parallel to the A-A line are the start-up boundaries 78d-1, 78d-2. It is. With the rising boundary lines 78d-1 and 78d-2 as boundaries, the mounting joint surfaces 76d-1 and 76d-2 are raised upward from the tip joint surface 74d. In order to enable vibration welding, the width position of the mounting joint surfaces 76d-1 and 76d-2 rising from the rising boundary lines 78d-1 and 78d-2 is the same as the vibration reference direction. Set to be parallel to.
- the rising boundaries 78b_l, 78b-2, 78c-1 and 78c-2 are also set in the same manner as the above-mentioned rising boundaries 78d-1 and 78d-2.
- the traveling direction lines Rb and Rc are higher than Rd in the elevation angle from the A-A line. Therefore, the rising boundaries 78b_l and 78b_2 and the rising boundaries 78c_1 and 78c-2 parallel to the AA line are It is closer to the line A-A than the rising boundary lines 78d-1 and 78d-2.
- the middle sound B material 70 (the upper boundary line 78a_l, 78a-2, 78b_l, 78b-2, 78c-l, 78c-2, 78d_l, 78d_2
- the three-dimensional shape of the mounting joint surface 76a-1, 76a-2, 76b-1, 76b-2, 76c-1, 1, 76c-2, 76d-1, 76d-2 is set.
- the three-dimensional shape of the joint surface of the upper member 72 with the intermediate member 70 is set.
- FIG. 5 is a cross-sectional view taken along the line BB in FIG. 1 in a state where the joining surface of the intermediate member 70 and the joining surface of the upper member 72 are joined and the joined surfaces are vibration-welded.
- Line B—B is inclined with respect to line A—A.
- FIG. 6 shows a state where the branched lower arm 24d of the intermediate member 70 and the branched upper arm 32d of the upper member 72 shown in FIG. 5 are separated.
- the joint surfaces of the intermediate member 70 at the branch lower arm 24d are 76d-l and 76d-2.
- the joining surfaces of the upper member 72 at the branch upper arm 32 are 86d-l and 86d-2.
- the inner ridge line 84d-1 of the mount joint surface 76d-1 and the inner ridge line 84d-2 of the mount joint surface 76d-2 are located on the same plane HI, and the force is located farthest to the left and right from each other. For this reason, on the inner wall 89 of the branching lower arm 24d, the inner ridge 84d-1 and the inner ridge 84d-2 are not deeper than the inner ridge 84d-1 and the inner ridge 84d-2 It cannot project into the lower passage space 30d of the lower branch arm 24d. Therefore, it is impossible to form a thick portion below the inner ridge line 84d-1 or below the inner ridge line 84d-2. Similarly, no thick portion is formed in the lower branch arms 24b and 24c of the intermediate member 70.
- FIG. 7 is a cross-sectional view taken along the line C-C of FIG. 1 (position parallel to the line A—A) in a state where the joining surface of the intermediate member 70 and the joining surface of the upper member 72 are vibration-welded. Show.
- the joint surfaces 76d-1 and 76d-2 of the branch lower arm 24d of the intermediate member 70 and the joint surfaces 86d-1 and 86d_2 of the branch upper arm 32d of the upper member 72 are located on the same plane H. .
- FIG. 7 is a cross-sectional view taken along the line C-C of FIG. 1 (position parallel to the line A—A) in a state where the joining surface of the intermediate member 70 and the joining surface of the upper member 72 are vibration-welded. Show.
- the joint surfaces 76d-1 and 76d-2 of the branch lower arm 24d of the intermediate member 70 and the joint surfaces 86d-1 and 86d_2 of the branch upper arm 32d of the upper member 72 are located on the same plane H. .
- the inner ridges 84d-1 and 84d-2 of the joint surfaces 76d-1 and 76d-2 of the branch lower arm 24d are also connected to the inner ridges 90d-1 of the joint surfaces 86d-1 and 86d-2 of the branch upper arm 32d. , 90d-2 also do not protrude into the intake passage 22d, so that no thick portion is formed.
- the intermediate member 70 having the branched lower arms 24a, 24b, 24c, and 24d without the thick portions, and the branch upper arms 32a and 32b without the thick portions are provided.
- the upper member 72 having the upper and lower members 72, 32c, 32d an ideal circular cross section shown in FIG. 5 can be formed in all the intake passages 22a, 22b, 22c, 22d.
- the end of the rising boundary line 78d-1, 78d-2 on the side of the intake passage 22d is connected to the ridge line 84d-1, 84d-2 of the mounting joint surface 76d-1, 76d-2.
- Intersections 82d-l and 82d-2 which are tangent points to the inner edge 80 of the joint surface 74d on the bore 50d side, were used.
- the ends of the rising boundary lines 78d-l and 78d_2 on the side of the intake passage 22d may be near the ideal points that are separated from the intersections 82d_l and 82d_2 (ideal points).
- the intake passage cross section 22d is close to a circular shape and the intake flow rate is ideal. There is no big difference compared to the one with a simple cross section.
- FIG. 8 is a diagram corresponding to FIG. 2 in which the cross section of the intake passage is elliptical.
- the ends of the start-up boundary lines 78d-1 and 78d-2 on the intake passage 22d side are intersections 94d-1 and 94d-2.
- Intersections 94d—1 and 94d—2 are tangents to the inner edge 80 on the side 50d side of the inlet passage 22d in the mounting passages 76d_l and 76d_2. It is the point that matches the contact point.
- a line force extending across the width of the mount joint surface 76d_l, 76d-2 in the direction parallel to the A-A line is the rising boundary 78d-1 and 78d-2 .
- the intermediate member 70 is formed below the inner ridge line 84d-1 and below the inner ridge line 84d_2. Thick part can not be made.
- no thick portion is formed in the branch lower arms 24b and 24c of the intermediate member 70.
- no thick portion is formed in the branch upper arms 32b, 32c, and 32d of the upper member 72.
- the ends of the rising boundary lines 78d-1 and 78d-2 on the intake passage 22d side are defined as the vicinity near the intersections 94d-1 and 94d-2 (ideal points). Also good ,. Even if the end of the rising boundary line 78d-1 and 78d-2 on the side of the intake passage 22d is near the intersection 94d-1 and 94d-2, the intake passage cross section 22d is close to elliptical and the intake air flow is ideal. There is no big difference compared to the one with a simple cross section.
- one intake passage 22a is arranged perpendicularly to the same straight line (A-A line) in the vibration reference direction, and three intake passages 22b, 22c, and 22d are — Shown in the direction different from the direction perpendicular to line A.
- some manifolds used for outboard motors have a structure in which all the intake passages are parallel and are arranged in a direction different from the direction perpendicular to the force 3 ⁇ 4A_A line. Apply the present invention to manifold That can be S.
- FIG. 9 is a perspective view showing a state in which one of two members constituting a synthetic resin welded body according to a second embodiment of the present invention is opened with one of the members inverted
- FIG. FIG. 11 is a plan view of the state
- FIG. 11 is a front view of the state where the two constituent members of FIG. 9 are welded.
- the synthetic resin welded body 100 of the second embodiment includes a first member 102 and a second member 104, and both the first member 102 and the second member 104 are made of synthetic resin. .
- the first member 102 has, for example, a first arm 106 obtained by bending a tube cut in half in the axial direction into a desired shape
- the second member 104 has, for example, a tube cut in half in the axial direction. It has a second arm 108 bent to a desired shape.
- An introduction pipe 109 for introducing a fluid such as air into a passage 118 described later is attached to the second member 104.
- left and right mount connecting surfaces 110-1 and 110-2 are formed, and a first passage as a recess is provided between the left and right mount connecting surfaces 110-1 and 110-2.
- a space 112 is formed.
- a pair of mounting surfaces 114-1 and 114-2 are formed on both sides of the second arm 108, and a second passage as a recess is provided between the pair of mounting surfaces 114-1 and 114-12.
- a space 116 is formed.
- the mount joint surface 110-1 of the first arm 106 and the mount joint surface 114-1 of the second arm 108 are joined together, and the mount joint surface 110-2 of the first arm 106 and the second arm 108 are joined.
- the mount joint surface 114-2 is joined, the joints thereof are subjected to vibration welding, and the first arm 106 and the second arm 108 are welded by ultrasonic vibration (at this time, the first member 102 and the second member 104 The other joining surfaces are also joined and welded at the same time).
- the first passage space 112 and the second passage space In communication with 116, a passage 118 (FIGS. 10 and 11) is formed.
- a bore 120 (FIGS. 9 and 10) is formed in the first member 102, and the passage 118 (first passage space 112) communicates with the bore 120.
- one fluid passage 118 and one bore 120 communicating with the passage 118 are provided.
- the traveling direction line Re to the bore 120 in the vicinity of the bore 120 in the passage 118 is in the direction of the vibration welding direction A—A.
- the description will be made assuming that the direction is different from the perpendicular direction. That is, in the first member 102, a rising boundary line 124 from each of the substantially semi-annular tip joint surfaces 122 located on the same plane around the bore 120 to the mount joint surfaces 110-1 and 110-2. 1, 124-2 is not the same as the vibration reference line AA including the axial center 126 of the bore 120.
- a line perpendicular to the traveling direction line Re of the passage 118 is defined as Se.
- the intersection of this orthogonal direction line with the point at which Se intersects the inner edge 128 of the tip joint surface 122 on the bore 120 side (the point at which it first intersects the mount joint surfaces 110-1 and 110-2) is an intersection point 130-1, 130-2.
- the intersections 130-1, 130-2 are the inner ridges 132-1, 132- on the passage 118 side at the mounting joint surfaces 110-1, 110-2.
- the mount joint surfaces 110-1 and 110-2 are raised upward from the front end joint surface 122.
- the width position of the mounting joint surfaces 110-1 and 110-2 rising from the rising boundary lines 124-1 and 124-2, respectively, should be in the vibration reference direction. Set to be parallel to.
- the positions of the rising boundary lines 124-1 and 124-2 are set, and the three-dimensional shape of the mount joint surfaces 110-1 and 110-2 is set.
- the three-dimensional shape of the joint surface of the second member 104 with the first member 102 (mount joint surfaces 114-1, 114-12, etc.) is set.
- FIG. 13 is a cross-sectional view taken along line EE in FIG. 10 in a state where the joint surfaces are vibration-welded.
- the E-E line is inclined (not parallel) to the A-A line, which is the vibration welding direction.
- FIG. 14 shows a state where the first arm 106 of the first member 102 and the second arm 108 of the second member 104 shown in FIG. 13 are separated.
- the first arm 106 of the first member 102 when the first arm 106 of the first member 102 is removed with a mold, the first arm 106 is removed in the direction of arrow Z1.
- the inner ridge line 132-1 of the mount joint surface 110-1 and the inner ridge line 132_2 of the mount joint surface 110-2 are located on the same plane HI, and the forces are located farthest to the left and right from each other. Therefore, on the inner wall 134 of the first arm 106, the inner ridge line 132-1 or the inner ridge line 132-2 has no place deeper than the inner ridge line 132-1 or the inner ridge line 132-2.
- the first arm 106 does not protrude into the first passage space 112. Therefore, there is no thickened portion below the inner ridge line 132-1 nor below the inner ridge line 132-2.
- FIG. 10 is a cross-sectional view taken along line FF (position parallel to line A—A) of FIG. 10 in a state where the joining surface of the first member 102 and the joining surface of the second member 104 are welded by vibration. See Figure 15.
- the joint surfaces 110-1 and 110-2 of the first arm 106 of the first member 102 and the joint surfaces 114-1 and 114-12 of the second arm 108 of the second member 104 are the same.
- the inner ridgelines 132-1 and 132-2 of the joint surfaces 110-1 and 110-2 of the first arm 106 are also the inner ridge lines 114-1 and 114-2 of the joint surface 114-2 of the second arm 108.
- the springs 136-1, 136-2 also do not protrude into the passage 118, so there is no thickening.
- the ideal circular cross section shown in FIG. [0059] the ends on the passage 118 side of the rising boundary lines 124-1 and 124-2 are joined with the ridge lines 132-1 and 132-2 of the mounting joint surfaces 110-1 and 110-2. Intersections 130-1 and 130-2, which are tangent points to the inner edge 128 of the face 122 on the bore 120 side (FIG. 12). However, the edges of the rising boundaries 124-1 and 124-2 on the side of the passage 118 are not near the intersections 130-1 and 130_2 (ideal points). Even if the end of the rising boundary lines 124-1 and 124-2 on the passage 118 side is near the intersections 130-1 and 130-2, the cross section of the passage 118 is close to a circle. There is no significant difference compared to the typical cross section.
- the synthetic resin welded body having a plurality of passages all passage cross-sections can be formed in an ideal shape. Therefore, if the present invention is used for an intake manifold, each of the multi-cylinder engine By introducing an equal amount of intake air to the cylinder, engine performance can be improved. Also, in a synthetic resin welded body having one passage, the passage cross section can be formed in an ideal shape, and the flow rate of the fluid passing through the passage can be increased as compared with the conventional case.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/560,233 US7556848B2 (en) | 2003-06-13 | 2004-06-08 | Synthetic resin fusion body |
EP04745677.7A EP1640602B1 (en) | 2003-06-13 | 2004-06-08 | Synthetic resin fusion body |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2003168983 | 2003-06-13 | ||
JP2003-168983 | 2003-06-13 | ||
JP2004168238A JP4421384B2 (ja) | 2003-06-13 | 2004-06-07 | 合成樹脂溶着体 |
JP2004-168238 | 2004-06-07 |
Publications (1)
Publication Number | Publication Date |
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WO2004111426A1 true WO2004111426A1 (ja) | 2004-12-23 |
Family
ID=33554406
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PCT/JP2004/007967 WO2004111426A1 (ja) | 2003-06-13 | 2004-06-08 | 合成樹脂溶着体 |
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US (1) | US7556848B2 (ja) |
EP (1) | EP1640602B1 (ja) |
JP (1) | JP4421384B2 (ja) |
WO (1) | WO2004111426A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7891331B2 (en) | 2007-05-23 | 2011-02-22 | Mikuni Corporation | Synthetic resin tube structure |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4020058B2 (ja) | 2003-10-10 | 2007-12-12 | 日産自動車株式会社 | 内燃機関の吸気装置 |
DE102016208117A1 (de) * | 2016-05-11 | 2017-11-16 | Contitech Mgw Gmbh | Verfahren zur Herstellung eines Ladeluftrohres |
Citations (4)
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JPH0673368U (ja) * | 1993-03-26 | 1994-10-18 | 株式会社土屋製作所 | 合成樹脂製コレクタ |
JPH09189270A (ja) * | 1996-01-10 | 1997-07-22 | Asahi Tec Corp | 合成樹脂製マニホールドと他部材とのシール構造及びシール体 |
JPH1182200A (ja) * | 1997-09-03 | 1999-03-26 | Unisia Jecs Corp | 内燃機関の吸気装置 |
JP2003239816A (ja) * | 2002-02-13 | 2003-08-27 | Mahle Tennex Corp | 内燃機関の合成樹脂製マニホルド |
Family Cites Families (5)
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DE2527774C2 (de) * | 1975-06-21 | 1984-03-15 | Bayerische Motoren Werke AG, 8000 München | Luftansauganlage für Brennkraftmaschinen, insbesondere Einspritz-Brennkraftmaschinen |
JP3580832B2 (ja) | 1992-08-27 | 2004-10-27 | 一方社油脂工業株式会社 | 水性エマルション型高分子紫外線吸収剤 |
JP4419276B2 (ja) | 2000-05-31 | 2010-02-24 | スズキ株式会社 | 船外機のインテークマニフォールド |
US6267093B1 (en) * | 2000-08-02 | 2001-07-31 | Ford Global Technologies, Inc. | Bonded composite intake manifold |
US6988478B2 (en) * | 2003-04-09 | 2006-01-24 | Aisan Kogyo Kabushiki Kaisha | Resin intake manifold |
-
2004
- 2004-06-07 JP JP2004168238A patent/JP4421384B2/ja not_active Expired - Fee Related
- 2004-06-08 EP EP04745677.7A patent/EP1640602B1/en not_active Expired - Lifetime
- 2004-06-08 US US10/560,233 patent/US7556848B2/en active Active
- 2004-06-08 WO PCT/JP2004/007967 patent/WO2004111426A1/ja active Search and Examination
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0673368U (ja) * | 1993-03-26 | 1994-10-18 | 株式会社土屋製作所 | 合成樹脂製コレクタ |
JPH09189270A (ja) * | 1996-01-10 | 1997-07-22 | Asahi Tec Corp | 合成樹脂製マニホールドと他部材とのシール構造及びシール体 |
JPH1182200A (ja) * | 1997-09-03 | 1999-03-26 | Unisia Jecs Corp | 内燃機関の吸気装置 |
JP2003239816A (ja) * | 2002-02-13 | 2003-08-27 | Mahle Tennex Corp | 内燃機関の合成樹脂製マニホルド |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7891331B2 (en) | 2007-05-23 | 2011-02-22 | Mikuni Corporation | Synthetic resin tube structure |
Also Published As
Publication number | Publication date |
---|---|
EP1640602A1 (en) | 2006-03-29 |
JP4421384B2 (ja) | 2010-02-24 |
EP1640602A4 (en) | 2010-11-10 |
US20060240206A1 (en) | 2006-10-26 |
JP2005023931A (ja) | 2005-01-27 |
EP1640602B1 (en) | 2018-04-25 |
US7556848B2 (en) | 2009-07-07 |
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