NL188031B - Wikkeldrager. - Google Patents

Wikkeldrager.

Info

Publication number
NL188031B
NL188031B NLAANVRAGE7807431,A NL188031DA NL188031B NL 188031 B NL188031 B NL 188031B NL 188031D A NL188031D A NL 188031DA NL 188031 B NL188031 B NL 188031B
Authority
NL
Netherlands
Prior art keywords
wrap carrier
wrap
carrier
Prior art date
Application number
NLAANVRAGE7807431,A
Other languages
English (en)
Original Assignee
Josef Becker Hubert Becker En
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.)
Publication of NL188031B publication Critical patent/NL188031B/nl
Priority to GB72152A priority Critical patent/GB738487A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/10Esters
    • C08F20/12Esters of monohydric alcohols or phenols
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B29C39/006Monomers or prepolymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/02Polymerisation in bulk
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041Lenses
NLAANVRAGE7807431,A 1952-01-10 Wikkeldrager. NL188031B (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB72152A GB738487A (en) 1952-01-10 1952-01-10 Improvements in or relating to the manufacture of moulded articles

Publications (1)

Publication Number Publication Date
NL188031B true NL188031B (nl)

Family

ID=9709362

Family Applications (2)

Application Number Title Priority Date Filing Date
NLAANVRAGE7807431,A NL188031B (nl) 1952-01-10 Wikkeldrager.
NL89255D NL89255C (nl) 1952-01-10

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL89255D NL89255C (nl) 1952-01-10

Country Status (3)

Country Link
GB (1) GB738487A (nl)
LU (1) LU32916A1 (nl)
NL (2) NL89255C (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826889A (en) * 1978-07-18 1989-05-02 Polymer Technology, Corp. Dimensionally stable oxygen permeable hard contact lens material and method of manufacture
JPH0625204B2 (ja) * 1985-08-28 1994-04-06 住友化学工業株式会社 ビニル系単量体の重合成形方法

Also Published As

Publication number Publication date
NL89255C (nl)
LU32916A1 (nl)
GB738487A (en) 1955-10-12

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee

Effective date: 19970201