JPS6115808B2 - - Google Patents

Info

Publication number
JPS6115808B2
JPS6115808B2 JP55053947A JP5394780A JPS6115808B2 JP S6115808 B2 JPS6115808 B2 JP S6115808B2 JP 55053947 A JP55053947 A JP 55053947A JP 5394780 A JP5394780 A JP 5394780A JP S6115808 B2 JPS6115808 B2 JP S6115808B2
Authority
JP
Japan
Prior art keywords
fresnel lens
mold
endless metal
film
belt
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.)
Expired
Application number
JP55053947A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56148525A (en
Inventor
Akira Izawa
Fumio Takagi
Taiji Iwai
Masaki Tsukada
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP5394780A priority Critical patent/JPS56148525A/ja
Publication of JPS56148525A publication Critical patent/JPS56148525A/ja
Publication of JPS6115808B2 publication Critical patent/JPS6115808B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/48—Endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00269—Fresnel lenses
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
    • B29C2043/025—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves forming a microstructure, i.e. fine patterning
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/48—Endless belts
    • B29C2043/483—Endless belts cooperating with a second endless belt, i.e. double band presses
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP5394780A 1980-04-22 1980-04-22 Manufacture of permeation-type television screen Granted JPS56148525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5394780A JPS56148525A (en) 1980-04-22 1980-04-22 Manufacture of permeation-type television screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5394780A JPS56148525A (en) 1980-04-22 1980-04-22 Manufacture of permeation-type television screen

Publications (2)

Publication Number Publication Date
JPS56148525A JPS56148525A (en) 1981-11-18
JPS6115808B2 true JPS6115808B2 (enrdf_load_stackoverflow) 1986-04-25

Family

ID=12956909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5394780A Granted JPS56148525A (en) 1980-04-22 1980-04-22 Manufacture of permeation-type television screen

Country Status (1)

Country Link
JP (1) JPS56148525A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2823016B2 (ja) * 1986-12-25 1998-11-11 ソニー株式会社 透過型スクリーンの製造方法
JP4975675B2 (ja) * 2008-04-04 2012-07-11 株式会社日本製鋼所 成形体の製造方法および製造装置

Also Published As

Publication number Publication date
JPS56148525A (en) 1981-11-18

Similar Documents

Publication Publication Date Title
CN1064589C (zh) 光学元件集合体的连续形成方法及其装置
US2726573A (en) Rear projection viewing screen
US3481818A (en) Embossed laminated plastic panel and method of making same
US5289311A (en) Optical element such as a rear projection screen for an image display device and method of producing same
JPH0125687B2 (enrdf_load_stackoverflow)
JP2610029B2 (ja) 成形型の製造方法
JP4872173B2 (ja) 複合された凹凸を有する積層体の製造方法、並びに金型の製造方法および成形品の成形方法
KR20030059200A (ko) 엠보스 시트의 제조 방법 및 엠보스 시트
US4340275A (en) Rear projection screen with patterned lenticular prismatic structure
JPH04299329A (ja) 両面レンチキュラーシートの製造方法
US3471600A (en) Method for continuously forming corrugated sheets
JPS6115808B2 (enrdf_load_stackoverflow)
KR100256212B1 (ko) 장식용 유리패널 제조방법
JP2753631B2 (ja) ハニカムパネルの成形方法
JPS6157179B2 (enrdf_load_stackoverflow)
KR100402545B1 (ko) 엠보싱 연속공정에 의해 제조되는 렌티큘러 스크린 및 그제조방법
CN103203872A (zh) 热压型光学薄片生产设备以及光学薄片的生产方法
JP3084462B2 (ja) 透過型スクリーン
JPH01316702A (ja) レンズシートの製造方法
JPH05196807A (ja) フレネルレンズシートの製造法
JP2634778B2 (ja) フレネルレンズの製造方法
KR200225460Y1 (ko) 엠보싱 연속공정에 의해 제조되는 렌티큘러 스크린
JP3207288B2 (ja) レンズシートの両面成形方法とレンズシート
JPH06273849A (ja) 透過型スクリーンの製造方法
JPH05173253A (ja) レンズシートの製造方法