DE3041900A1 - Three-layer housing for domestic appliance - with gap between inner and outer layer filled by soft plastics - Google Patents

Three-layer housing for domestic appliance - with gap between inner and outer layer filled by soft plastics

Info

Publication number
DE3041900A1
DE3041900A1 DE19803041900 DE3041900A DE3041900A1 DE 3041900 A1 DE3041900 A1 DE 3041900A1 DE 19803041900 DE19803041900 DE 19803041900 DE 3041900 A DE3041900 A DE 3041900A DE 3041900 A1 DE3041900 A1 DE 3041900A1
Authority
DE
Germany
Prior art keywords
housing
layer
layers
gap
domestic appliance
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.)
Granted
Application number
DE19803041900
Other languages
German (de)
Other versions
DE3041900C2 (en
Inventor
Roland 6050 Offenbach Ullmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
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 Braun GmbH filed Critical Braun GmbH
Priority to DE19803041900 priority Critical patent/DE3041900A1/en
Publication of DE3041900A1 publication Critical patent/DE3041900A1/en
Application granted granted Critical
Publication of DE3041900C2 publication Critical patent/DE3041900C2/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/24—Etuis for purposes not covered by a single one of groups A45C11/02 - A45C11/22, A45C11/26, A45C11/32 - A45C11/38
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/40—Applying molten plastics, e.g. hot melt
    • B29C65/42—Applying molten plastics, e.g. hot melt between pre-assembled parts
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/70—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/167—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with permanent forms made of particular materials, e.g. layered products
    • 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
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B32B2038/042—Punching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

Housings for small domestic appliances for the personal use are made of three layers. One of the layers is provided with bosses which enter through the perforatons of the layer forming the outer surface. These two layers are manufactured separately and assembled, leaving a small clearance into which a soft plastic material is injected. The outer layer is preferably, a metal foil and the perforations are produced by punching or etching. This requires only simple tooling and enables three-layer housings to be mass-produced at low cost.

Description

Die Erfindung bezieht sich auf ein Verfahren zur HerstellungThe invention relates to a method of manufacture

eines aus drei Schichten bestehenden Gehäuses eines Gerätes für den persönlichen Bedarf, wobei mindestens eine Schicht mit einer Vielzahl von hervorstehenden noppen- oder zungenartigen Vorsprüngen versehen ist, die nach Zahl und Größe so angeordnet sind, saß sie sich durch Perforationen einer zweiten, die äußere Gehäusewand bildenden Schicht erstrecken und nur ein geringes über die Außenfläche dieser Gehäuseschicht hervorstehen. Solche Gehäuse sind in der deutschen Patentanmeldung P 29 o9 882.6 beschrieben.a three-layer housing of a device for the personal needs, at least one layer with a variety of protruding knob-like or tongue-like projections is provided, the number and size so are arranged, it sat through perforations of a second, the outer housing wall forming layer and extend only a little over the outer surface of this housing layer protrude. Such housings are in the German patent application P 29 o9 882.6 described.

Die die äußere Schale bildende Schicht mit den Perforationen wird mit einem Stiftenwerkzeug hergestellt. Mit einem zweiten Werkzeug wird der Weichkunststoff hinterspritzt und dringt durch die Perforationen unter Bildung der noppenartigen Vorsprünge. Beide Werkzeugsätze werden auf einer Spritzgußmaschine mit Rundteller gefahren. Die dritte Schicht wird gesondert hergestellt und mit der Weichkunststoffschicht mit bekannten Mitteln verbunden.The layer forming the outer shell with the perforations is made with a pen tool. A second tool is used to make the soft plastic injected back and penetrates through the perforations to form the nub-like Ledges. Both tool sets are made on an injection molding machine with a rotary plate drove. The third layer is made separately and with the soft plastic layer associated with known means.

Die Erfindung hat sich die Aufgabe gestellt, ein Verfahren zur Verfügung zu stellen, welches eine weniger stör- und reparaturanfällige und damit billigere Herstellung in großen Stückzahlen eines Gehäuses der eingangs genannten Art ermöglicht.The invention has set itself the task of providing a method to ask, which is less prone to failure and repair and therefore cheaper Production in large numbers of a housing of the type mentioned allows.

Die Erfindung löst die Aufgabe durch ein Verfahren, das dadurch gekennzeichnet ist, daß die beiden, die äußere und innere, getrennt gefertigten Gehäuseschichten unter Bildung eines Hohl raumes zusammengebracht und dieser Hohlraum mit Weichkunststoff ausgespritzt wird.The invention solves the problem by a method, which is characterized is that the two outer and inner casing layers are manufactured separately brought together to form a cavity and this cavity with soft plastic is sprayed out.

Vorteilhafterweise wird als äußere mit Perforationen versehene Schicht eine Metallfolie verwendet, wobei die Perforationen in an sich bekannter Weise, beispielsweise durch Stanzen oder ätzen, angebracht werden.Advantageously, the outer layer provided with perforations is used a metal foil is used, the perforations in a manner known per se, for example by punching or etching.

Durch die erfindungsgemässe Art der Begrenzung des Spritzraumes wird eine Werkzeugvereinfachung erzielt und die weniger stör- und reparaturanfällige und billigere Herstellung eines aus drei Schichten bestehenden Gehäuses der eingangs erwähnten Art in großen Stückzahlen ermöglicht.The inventive type of delimitation of the injection space a tool simplification achieved and the less prone to failure and repair and cheaper production of a three-layer housing of the opening paragraph mentioned type in large numbers.

Claims (1)

Verfahren zur Herstellung eines Gehäuses eines Gerätes für den persönlichen Bedarf.Method of manufacturing a housing of a device for personal Requirement. Patentanspruch 1. Verfahren zur Herstellung eines aus drei Schichten bestehenden Gehäuses für Geräte des persönlichen Bedarfs, wobei mindestens eine Gehäuseoberfläche mit einer Vielzahl von hervorstehenden noppen- oder zungenartigen Vorsprüngen versehen ist, die nach Zahl und Größe so angeordnet sind, daß sie sich durch Perforationen der Gehäusewand erstrecken und um ein geringes über die Außenfläche des Gehäuses hervorstehen, dadurch gekennzeichnet, daß die beiden die äußere und innere, getrennt gefertigten Gehäuseschichten unter Bildung eines Hohlraumes zusammengebracht und dieser Hohlraum mit Weichkunststoff ausgespritzt wird.Claim 1. A method for producing one of three layers existing housing for personal devices, at least one Housing surface with a multitude of protruding knob-like or tongue-like shapes Projections is provided, which are arranged according to number and size so that they are extend through perforations in the housing wall and by a little over the outer surface of the housing protrude, characterized in that the two the outer and inner, separately manufactured housing layers brought together to form a cavity and this cavity is injected with soft plastic.
DE19803041900 1980-11-06 1980-11-06 Three-layer housing for domestic appliance - with gap between inner and outer layer filled by soft plastics Granted DE3041900A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803041900 DE3041900A1 (en) 1980-11-06 1980-11-06 Three-layer housing for domestic appliance - with gap between inner and outer layer filled by soft plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803041900 DE3041900A1 (en) 1980-11-06 1980-11-06 Three-layer housing for domestic appliance - with gap between inner and outer layer filled by soft plastics

Publications (2)

Publication Number Publication Date
DE3041900A1 true DE3041900A1 (en) 1982-06-09
DE3041900C2 DE3041900C2 (en) 1990-03-22

Family

ID=6116132

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803041900 Granted DE3041900A1 (en) 1980-11-06 1980-11-06 Three-layer housing for domestic appliance - with gap between inner and outer layer filled by soft plastics

Country Status (1)

Country Link
DE (1) DE3041900A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10207438B2 (en) * 2014-01-31 2019-02-19 Sumitomo Electric Industries, Ltd. Composite member and composite-member manufacturing method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909882A1 (en) * 1977-08-31 1980-09-25 Braun Ag Casing for electric razor,camera etc. - has electrical components on plate attached to another plate whose posts project through perforated outer wall

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909882A1 (en) * 1977-08-31 1980-09-25 Braun Ag Casing for electric razor,camera etc. - has electrical components on plate attached to another plate whose posts project through perforated outer wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10207438B2 (en) * 2014-01-31 2019-02-19 Sumitomo Electric Industries, Ltd. Composite member and composite-member manufacturing method

Also Published As

Publication number Publication date
DE3041900C2 (en) 1990-03-22

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee