20240042711. ASSEMBLY FOR MOLDING A LENS AND A METHOD THEREOF simplified abstract (Essilor International)

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ASSEMBLY FOR MOLDING A LENS AND A METHOD THEREOF

Organization Name

Essilor International

Inventor(s)

Laurent Chippaux of Ladkrabang - Thaïlande (TH) (FR)

ASSEMBLY FOR MOLDING A LENS AND A METHOD THEREOF - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240042711 titled 'ASSEMBLY FOR MOLDING A LENS AND A METHOD THEREOF

Simplified Explanation

The abstract describes an assembly for molding a lens, which includes a peripheral gasket member with a surrounding wall that defines a through-cavity. The surrounding wall has an internal circumferential ridge portion that protrudes inwardly towards the axis and divides the wall into an upper and lower portion. The internal circumferential ridge portion has two ridge-flanks. A film is placed on the first ridge-flank, and an annular member retains the film between itself and the first ridge-flank. A first mold part is in contact with the upper wall portion, and a second mold part is in contact with the lower wall portion. Together, the gasket member and mold parts create a molding cavity.

  • The assembly is designed for molding lenses.
  • It includes a peripheral gasket member with a surrounding wall and an internal circumferential ridge portion.
  • A film is placed on the first ridge-flank of the gasket member and retained by an annular member.
  • The assembly consists of a first mold part in contact with the upper wall portion and a second mold part in contact with the lower wall portion.
  • The gasket member, mold parts, and film create a molding cavity.

Potential applications of this technology:

  • Manufacturing of lenses for optical devices such as cameras, microscopes, and telescopes.
  • Production of lenses for eyeglasses and contact lenses.
  • Creation of lenses for medical devices and instruments.
  • Development of lenses for automotive headlights and other lighting systems.

Problems solved by this technology:

  • Provides a precise and controlled molding process for lenses.
  • Ensures the proper alignment and positioning of the film during molding.
  • Helps to prevent leakage or deformation of the lens during the molding process.
  • Facilitates the production of high-quality lenses with accurate dimensions and optical properties.

Benefits of this technology:

  • Enables efficient and cost-effective mass production of lenses.
  • Improves the consistency and quality of molded lenses.
  • Reduces the need for manual labor and increases production speed.
  • Allows for customization and variation in lens design and specifications.
  • Enhances the overall performance and functionality of optical systems.


Original Abstract Submitted

an assembly for molding a lens including a peripheral gasket member having a surrounding wall around an axis to define a through-cavity, the surrounding wall having an internal circumferential ridge portion protruding inwardly towards the axis and partitioning the surrounding wall into an upper wall portion and a lower wall portion, wherein the internal circumferential ridge portion includes a first ridge-flank and a second ridge-flank; a film disposed at the first ridge-flank; an annular member disposed over the film to retain the film between the annular member and the first ridge-flank; a first mold part disposed with a circumferential edge in abutment with the upper wall portion; and a second mold part disposed opposite the first mold part and with a circumferential edge in abutment with the lower wall portion, wherein the peripheral gasket member, the first mold part and the second mold part define a molding cavity therebetween.

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