JPS63154336A - 多層構造樹脂成形品 - Google Patents

多層構造樹脂成形品

Info

Publication number
JPS63154336A
JPS63154336A JP61302294A JP30229486A JPS63154336A JP S63154336 A JPS63154336 A JP S63154336A JP 61302294 A JP61302294 A JP 61302294A JP 30229486 A JP30229486 A JP 30229486A JP S63154336 A JPS63154336 A JP S63154336A
Authority
JP
Japan
Prior art keywords
screw
lens
molded product
core layer
skin layer
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
JP61302294A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0371253B2 (enrdf_load_stackoverflow
Inventor
岡島　秀和
隆 新井
川野　勝男
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP61302294A priority Critical patent/JPS63154336A/ja
Priority to US07/022,210 priority patent/US4805991A/en
Publication of JPS63154336A publication Critical patent/JPS63154336A/ja
Publication of JPH0371253B2 publication Critical patent/JPH0371253B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)
  • Laminated Bodies (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP61302294A 1986-03-13 1986-12-18 多層構造樹脂成形品 Granted JPS63154336A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP61302294A JPS63154336A (ja) 1986-12-18 1986-12-18 多層構造樹脂成形品
US07/022,210 US4805991A (en) 1986-03-13 1987-03-05 Multi-layer resin molded article and method of making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61302294A JPS63154336A (ja) 1986-12-18 1986-12-18 多層構造樹脂成形品

Publications (2)

Publication Number Publication Date
JPS63154336A true JPS63154336A (ja) 1988-06-27
JPH0371253B2 JPH0371253B2 (enrdf_load_stackoverflow) 1991-11-12

Family

ID=17907256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61302294A Granted JPS63154336A (ja) 1986-03-13 1986-12-18 多層構造樹脂成形品

Country Status (1)

Country Link
JP (1) JPS63154336A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05187255A (ja) * 1992-01-10 1993-07-27 Hitachi Ltd 複合発電設備およびその運転方法
JPH0564811U (ja) * 1992-01-30 1993-08-27 株式会社ニコン レンズ鏡筒の防滴機構
JP2012111117A (ja) * 2010-11-24 2012-06-14 Canon Inc プラスチック光学部材およびプラスチック光学部材の製造方法
JP2015060042A (ja) * 2013-09-18 2015-03-30 リコーイメージング株式会社 導電材料部材の締結構造
JP2017507822A (ja) * 2014-01-24 2017-03-23 ミラクロン エルエルシー ゲートエリアと周縁部との間に射出成形孔を有する、共射出成形される多層製品

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05187255A (ja) * 1992-01-10 1993-07-27 Hitachi Ltd 複合発電設備およびその運転方法
JPH0564811U (ja) * 1992-01-30 1993-08-27 株式会社ニコン レンズ鏡筒の防滴機構
JP2012111117A (ja) * 2010-11-24 2012-06-14 Canon Inc プラスチック光学部材およびプラスチック光学部材の製造方法
JP2015060042A (ja) * 2013-09-18 2015-03-30 リコーイメージング株式会社 導電材料部材の締結構造
JP2017507822A (ja) * 2014-01-24 2017-03-23 ミラクロン エルエルシー ゲートエリアと周縁部との間に射出成形孔を有する、共射出成形される多層製品
US10759101B2 (en) 2014-01-24 2020-09-01 Milacron Llc Co-injection molded multi-layer article with injection-formed aperture between gate area and peripheral edge

Also Published As

Publication number Publication date
JPH0371253B2 (enrdf_load_stackoverflow) 1991-11-12

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