FR1289029A - Perfectionnement à l'obtention de pièces moulées à surfaces optiques - Google Patents
Perfectionnement à l'obtention de pièces moulées à surfaces optiquesInfo
- 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
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)
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)
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 |
-
1961
- 1961-04-17 FR FR859002A patent/FR1289029A/fr not_active Expired
Cited By (18)
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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