JPS644318A - Manufacture of muffler made of resin - Google Patents

Manufacture of muffler made of resin

Info

Publication number
JPS644318A
JPS644318A JP62157585A JP15758587A JPS644318A JP S644318 A JPS644318 A JP S644318A JP 62157585 A JP62157585 A JP 62157585A JP 15758587 A JP15758587 A JP 15758587A JP S644318 A JPS644318 A JP S644318A
Authority
JP
Japan
Prior art keywords
partition wall
mold
rib
molded
tubular body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62157585A
Other languages
Japanese (ja)
Other versions
JPH0622858B2 (en
Inventor
Koichi Yanagida
Takeshi Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kojima Industries Corp
Original Assignee
Kojima Press Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kojima Press Industry Co Ltd filed Critical Kojima Press Industry Co Ltd
Priority to JP62157585A priority Critical patent/JPH0622858B2/en
Publication of JPS644318A publication Critical patent/JPS644318A/en
Publication of JPH0622858B2 publication Critical patent/JPH0622858B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • B29C2049/4807—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity by movable mould parts in the mould halves
    • 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
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • B29C49/4812—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity and welding opposite wall parts of the parisons or preforms to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To reduce man-hours drastically and to miniaturize the whole of manufacturing facilities, by method wherein a partition wall dividing a gas passage and resonant chamber is molded by a rib protruding from the inside of a mold and blow molding of a tubular body and the partition wall is performed. CONSTITUTION:Simultaneously with mold clamping due to a top and bottom forces 41, 42 a slide rib 43 is projected, a state of which is kept on for a short period of time and blow molding is performed. Then the slide rib 43 is held within an upper blow molding mold 41 prior to cure of resin and a vacuum is drawn through a space where the slide rib 43 gas been present. A right and left walls of a partition wall part 23a are stuck close to each other through drawing the vacuum and molded into a thin wall form. With this adhesion, an opening part is eliminated from the top of a tubular body and the top becomes a smooth plane where there is no molding mark due to the rib. As the partition wall is molded at a time by the same process practically as the molding of the tubular body protruding within the inside of the mold like this, very small man-hours will do.
JP62157585A 1987-06-26 1987-06-26 Manufacturing method of resin silencer Expired - Lifetime JPH0622858B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62157585A JPH0622858B2 (en) 1987-06-26 1987-06-26 Manufacturing method of resin silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62157585A JPH0622858B2 (en) 1987-06-26 1987-06-26 Manufacturing method of resin silencer

Publications (2)

Publication Number Publication Date
JPS644318A true JPS644318A (en) 1989-01-09
JPH0622858B2 JPH0622858B2 (en) 1994-03-30

Family

ID=15652917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62157585A Expired - Lifetime JPH0622858B2 (en) 1987-06-26 1987-06-26 Manufacturing method of resin silencer

Country Status (1)

Country Link
JP (1) JPH0622858B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002127262A (en) * 2000-10-25 2002-05-08 Sanyo Electric Industries Co Ltd Resin structured item
WO2014006650A1 (en) * 2012-07-03 2014-01-09 三菱電機株式会社 Indoor unit for air conditioner, and air conditioner with indoor unit
EP2987615A1 (en) * 2014-08-20 2016-02-24 Etimex Technical Components GmbH Device and method for blow moulding a blow hose

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535368U (en) * 1978-08-29 1980-03-06
JPS58126121A (en) * 1982-01-22 1983-07-27 Nippon Plast Co Ltd Manufacture of blow-molded product
JPS6095120A (en) * 1983-10-31 1985-05-28 Tsuchiya Mfg Co Ltd Manufacturing method of resonance type muffler made of synthetic resin
JPS6157162U (en) * 1984-09-20 1986-04-17

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535368U (en) * 1978-08-29 1980-03-06
JPS58126121A (en) * 1982-01-22 1983-07-27 Nippon Plast Co Ltd Manufacture of blow-molded product
JPS6095120A (en) * 1983-10-31 1985-05-28 Tsuchiya Mfg Co Ltd Manufacturing method of resonance type muffler made of synthetic resin
JPS6157162U (en) * 1984-09-20 1986-04-17

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002127262A (en) * 2000-10-25 2002-05-08 Sanyo Electric Industries Co Ltd Resin structured item
WO2014006650A1 (en) * 2012-07-03 2014-01-09 三菱電機株式会社 Indoor unit for air conditioner, and air conditioner with indoor unit
EP2987615A1 (en) * 2014-08-20 2016-02-24 Etimex Technical Components GmbH Device and method for blow moulding a blow hose
EP3392017A1 (en) * 2014-08-20 2018-10-24 Etimex Technical Components GmbH Device and method for blow moulding a blow hose

Also Published As

Publication number Publication date
JPH0622858B2 (en) 1994-03-30

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