JPS63159032A - 車両用灯具の形成方法 - Google Patents

車両用灯具の形成方法

Info

Publication number
JPS63159032A
JPS63159032A JP61307110A JP30711086A JPS63159032A JP S63159032 A JPS63159032 A JP S63159032A JP 61307110 A JP61307110 A JP 61307110A JP 30711086 A JP30711086 A JP 30711086A JP S63159032 A JPS63159032 A JP S63159032A
Authority
JP
Japan
Prior art keywords
vehicle lamp
surface side
blow molding
optical axis
forming
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
JP61307110A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0478096B2 (enrdf_load_stackoverflow
Inventor
Shuji Gotanda
五反田　修司
Yuji Munechika
宗近　祐司
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.)
Stanley Electric Co Ltd
Original Assignee
Stanley Electric 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 Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Priority to JP61307110A priority Critical patent/JPS63159032A/ja
Publication of JPS63159032A publication Critical patent/JPS63159032A/ja
Publication of JPH0478096B2 publication Critical patent/JPH0478096B2/ja
Granted 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
    • B29C49/4242—Means for deforming the parison prior to the blowing operation
    • 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
    • B29C49/0411—Means for defining the wall or layer thickness
    • B29C49/04114—Means for defining the wall or layer thickness for keeping constant thickness

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP61307110A 1986-12-23 1986-12-23 車両用灯具の形成方法 Granted JPS63159032A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61307110A JPS63159032A (ja) 1986-12-23 1986-12-23 車両用灯具の形成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61307110A JPS63159032A (ja) 1986-12-23 1986-12-23 車両用灯具の形成方法

Publications (2)

Publication Number Publication Date
JPS63159032A true JPS63159032A (ja) 1988-07-01
JPH0478096B2 JPH0478096B2 (enrdf_load_stackoverflow) 1992-12-10

Family

ID=17965153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61307110A Granted JPS63159032A (ja) 1986-12-23 1986-12-23 車両用灯具の形成方法

Country Status (1)

Country Link
JP (1) JPS63159032A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5642228A (en) * 1993-12-21 1997-06-24 Koito Manufacturing Co., Ltd. Resin-molded lens having no sink marks and process for producing same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5642228A (en) * 1993-12-21 1997-06-24 Koito Manufacturing Co., Ltd. Resin-molded lens having no sink marks and process for producing same

Also Published As

Publication number Publication date
JPH0478096B2 (enrdf_load_stackoverflow) 1992-12-10

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