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FR1289029A - Perfectionnement à l'obtention de pièces moulées à surfaces optiques - Google Patents

Perfectionnement à l'obtention de pièces moulées à surfaces optiques

Info

Publication number
FR1289029A
FR1289029A FR859002A FR859002A FR1289029A FR 1289029 A FR1289029 A FR 1289029A FR 859002 A FR859002 A FR 859002A FR 859002 A FR859002 A FR 859002A FR 1289029 A FR1289029 A FR 1289029A
Authority
FR
France
Prior art keywords
improvement
molded parts
optical surfaces
obtaining molded
obtaining
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
FR859002A
Other languages
English (en)
Inventor
Colin John Healey
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 filed Critical
Priority to FR859002A priority Critical patent/FR1289029A/fr
Application granted granted Critical
Publication of FR1289029A publication Critical patent/FR1289029A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29D11/00605—Production of reflex reflectors
    • B29D11/00625—Moulds for reflex reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
FR859002A 1961-04-17 1961-04-17 Perfectionnement à l'obtention de pièces moulées à surfaces optiques Expired FR1289029A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR859002A FR1289029A (fr) 1961-04-17 1961-04-17 Perfectionnement à l'obtention de pièces moulées à surfaces optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR859002A FR1289029A (fr) 1961-04-17 1961-04-17 Perfectionnement à l'obtention de pièces moulées à surfaces optiques

Publications (1)

Publication Number Publication Date
FR1289029A true FR1289029A (fr) 1962-03-30

Family

ID=8753238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859002A Expired FR1289029A (fr) 1961-04-17 1961-04-17 Perfectionnement à l'obtention de pièces moulées à surfaces optiques

Country Status (1)

Country Link
FR (1) FR1289029A (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997027035A1 (fr) * 1996-01-26 1997-07-31 Minnesota Mining And Manufacturing Company Moule stratifie par empilement et procede de fabrication associe
WO1999001269A1 (fr) * 1997-07-02 1999-01-14 Minnesota Mining And Manufacturing Company Procede de fabrication d'une pluralite de strates destinees a etre utilisees dans un moule apte a former des articles triedres trirectangles retroreflechissants, moule et articles formes au moyen du moule
US5898523A (en) * 1997-07-02 1999-04-27 Minnesota Mining & Manufacturing Company Tiled retroreflective sheeting composed of highly canted cube corner elements
US5936770A (en) * 1996-01-19 1999-08-10 3M Innovative Properties Company Dual orientation retroreflective sheeting
US5981032A (en) * 1997-07-02 1999-11-09 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
US6159407A (en) * 1996-01-26 2000-12-12 3M Innovative Properties Company Stacked laminate mold and method of making
US6257860B1 (en) 1997-07-02 2001-07-10 3M Innovative Properties Company Cube corner sheeting mold and method of making the same
US6302992B1 (en) 1997-07-02 2001-10-16 3M Innovative Properties Company Retroreflective cube corner sheeting, molds therefore, and methods of making the same
US6305924B1 (en) 2000-10-31 2001-10-23 3M Innovative Properties Company Stacked laminate mold
USRE40455E1 (en) 1996-05-30 2008-08-12 Avery Dennison Corporation Retroreflective articles having microcubes, and tools and methods for forming microcubes

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5936770A (en) * 1996-01-19 1999-08-10 3M Innovative Properties Company Dual orientation retroreflective sheeting
US6159407A (en) * 1996-01-26 2000-12-12 3M Innovative Properties Company Stacked laminate mold and method of making
WO1997027035A1 (fr) * 1996-01-26 1997-07-31 Minnesota Mining And Manufacturing Company Moule stratifie par empilement et procede de fabrication associe
USRE40700E1 (en) 1996-05-30 2009-04-14 Avery Dennison Corporation Retroreflective articles having microcubes, and tools and methods for forming microcubes
USRE40455E1 (en) 1996-05-30 2008-08-12 Avery Dennison Corporation Retroreflective articles having microcubes, and tools and methods for forming microcubes
US6253442B1 (en) 1997-07-02 2001-07-03 3M Innovative Properties Company Retroreflective cube corner sheeting mold and method for making the same
US6120881A (en) * 1997-07-02 2000-09-19 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
US6114009A (en) * 1997-07-02 2000-09-05 3M Innovative Properties Company Asymmetric retroreflective cube corner sheeting mold and sheeting formed therefrom
US5981032A (en) * 1997-07-02 1999-11-09 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
US6257860B1 (en) 1997-07-02 2001-07-10 3M Innovative Properties Company Cube corner sheeting mold and method of making the same
US6302992B1 (en) 1997-07-02 2001-10-16 3M Innovative Properties Company Retroreflective cube corner sheeting, molds therefore, and methods of making the same
US6318987B1 (en) 1997-07-02 2001-11-20 3M Innovative Properties Company Cube corner sheeting mold and method of making the same
US6386855B1 (en) 1997-07-02 2002-05-14 3M Innovative Properties Company Cube corner sheeting mold and of making the same
US6447878B1 (en) 1997-07-02 2002-09-10 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
US6533887B1 (en) 1997-07-02 2003-03-18 3M Innovative Properties Company Retroreflective cube corner sheeting, molds therefore, and methods of making the same
US5898523A (en) * 1997-07-02 1999-04-27 Minnesota Mining & Manufacturing Company Tiled retroreflective sheeting composed of highly canted cube corner elements
WO1999001269A1 (fr) * 1997-07-02 1999-01-14 Minnesota Mining And Manufacturing Company Procede de fabrication d'une pluralite de strates destinees a etre utilisees dans un moule apte a former des articles triedres trirectangles retroreflechissants, moule et articles formes au moyen du moule
US6305924B1 (en) 2000-10-31 2001-10-23 3M Innovative Properties Company Stacked laminate mold

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