IT1266154B1 - Procedimento per il sovrastampaggio di un inserto di cui almento una parte e' fragile e stampo per pressa di sovrastampaggio adatta per la - Google Patents

Procedimento per il sovrastampaggio di un inserto di cui almento una parte e' fragile e stampo per pressa di sovrastampaggio adatta per la

Info

Publication number
IT1266154B1
IT1266154B1 IT94TO000551A ITTO940551A IT1266154B1 IT 1266154 B1 IT1266154 B1 IT 1266154B1 IT 94TO000551 A IT94TO000551 A IT 94TO000551A IT TO940551 A ITTO940551 A IT TO940551A IT 1266154 B1 IT1266154 B1 IT 1266154B1
Authority
IT
Italy
Prior art keywords
overmolding
mold
insert
fragile
procedure
Prior art date
Application number
IT94TO000551A
Other languages
English (en)
Inventor
Michel Paquette
Original Assignee
Presses Kap
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 Presses Kap filed Critical Presses Kap
Publication of ITTO940551A0 publication Critical patent/ITTO940551A0/it
Publication of ITTO940551A1 publication Critical patent/ITTO940551A1/it
Application granted granted Critical
Publication of IT1266154B1 publication Critical patent/IT1266154B1/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/16—Joining of caps to vessel
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14836—Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
    • B29K2709/08—Glass

Abstract

Secondo l'invenzione si prevede, nella cavità di stampaggio (22) dello stampo (20) utilizzato, per racchiudere almeno parzialmente la parte fragile dell'inserto, un involucro (34) di materiale sintetico. Applicazione particolare al sovrastampaggio di una lampada elettrica.Fig. 4.
IT94TO000551A 1993-07-06 1994-07-05 Procedimento per il sovrastampaggio di un inserto di cui almento una parte e' fragile e stampo per pressa di sovrastampaggio adatta per la IT1266154B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9308252A FR2707205B1 (fr) 1993-07-06 1993-07-06 Procédé pour le surmoulage d'un insert dont une partie au moins est fragile et moule pour presse de surmoulage propre à la mise en Óoeuvre d'un tel procédé.

Publications (3)

Publication Number Publication Date
ITTO940551A0 ITTO940551A0 (it) 1994-07-05
ITTO940551A1 ITTO940551A1 (it) 1996-01-05
IT1266154B1 true IT1266154B1 (it) 1996-12-23

Family

ID=9448949

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94TO000551A IT1266154B1 (it) 1993-07-06 1994-07-05 Procedimento per il sovrastampaggio di un inserto di cui almento una parte e' fragile e stampo per pressa di sovrastampaggio adatta per la

Country Status (2)

Country Link
FR (1) FR2707205B1 (it)
IT (1) IT1266154B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2969016B1 (fr) * 2010-12-21 2013-02-08 Commissariat Energie Atomique Agencement pour le moulage d'un melange a base de poudre metallique autour d'un noyau ceramique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2163177A (en) * 1935-02-16 1939-06-20 Durite Plastics Inc Apparatus for the manufacture of lamps and the like
US2934792A (en) * 1958-06-16 1960-05-03 Marco Ind Method of fabricating indicator light with molded nylon jacket
FR1297831A (fr) * 1961-05-24 1962-07-06 Air Liquide Perfectionnements aux moules servant à surmouler une pièce en matière plastique sur un objet en substance dure
US3077022A (en) * 1962-05-03 1963-02-12 Burroughs Corp Lamp and method of manufacture
US3712575A (en) * 1970-11-06 1973-01-23 Ibm Cavity mold with selectively positioned resilient wall portions
FR2485987A1 (fr) * 1980-07-01 1982-01-08 Oreal Procede et dispositif de surmoulage de matiere plastique

Also Published As

Publication number Publication date
ITTO940551A1 (it) 1996-01-05
FR2707205B1 (fr) 1995-09-15
FR2707205A1 (fr) 1995-01-13
ITTO940551A0 (it) 1994-07-05

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0001 Granted