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WO2004088694B1 - A cover for a push button switch - Google Patents

A cover for a push button switch

Info

Publication number
WO2004088694B1
WO2004088694B1 PCT/DK2004/000229 DK2004000229W WO2004088694B1 WO 2004088694 B1 WO2004088694 B1 WO 2004088694B1 DK 2004000229 W DK2004000229 W DK 2004000229W WO 2004088694 B1 WO2004088694 B1 WO 2004088694B1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
supporting frame
cover according
flexible layer
key element
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.)
Ceased
Application number
PCT/DK2004/000229
Other languages
French (fr)
Other versions
WO2004088694A1 (en
Inventor
Steffen Haslund Schmidt
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.)
Danfoss Power Electronics AS
Original Assignee
Danfoss Drives AS
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 Danfoss Drives AS filed Critical Danfoss Drives AS
Priority to DE112004000492T priority Critical patent/DE112004000492B4/en
Publication of WO2004088694A1 publication Critical patent/WO2004088694A1/en
Publication of WO2004088694B1 publication Critical patent/WO2004088694B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • 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
    • B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/46—Knobs or handles, push-buttons, grips
    • B29L2031/466—Keypads, keytops
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/03—Printed information in transparent keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H01H2223/003—Membrane embracing all keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H01H2229/046—Multi-colour or double shot injection moulding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H01H2229/047—Preformed layer in mould
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/004—High frequency adaptation or shielding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Push-Button Switches (AREA)

Abstract

A cover and a method of making a cover for a push button switch. A frame and a key for switching the push button switch are moulded directly onto a flexible layer forming an outer surface of the cover. The flexible layer shields the key and the associated push button switch from dust and water and the frame shields against rough handling. Since the frame is joined to an inner surface of the flexible layer, it also supports the flexible layer when the layer is deformed during switching of the switch. When the frame, the key and the flexible layer is moulded together, tightness of the cover can be maintained even if one of the parts is perforated, e.g. the outer flexible layer is scratched during rough handing of the covered switch.

Claims

AMENDED CLAIMS[received by the International Bureau on 13 September 2004, (13.09.04) :Former claims 1-24 replaced by new set of claims 1-23.].
1. A cover for a push button switch, said cover comprising:
- a flexible layer (1) with an inner surface and an opposite outer surface, the outer surface forming an outer surface of the cover, - a supporting frame (2) having a recess (4) allowing the flexible layer in a switch activation area to be deformed into the frame, the supporting frame being joined to the inner surface of the flexible layer, and - a key element (5) arranged at least partly in the recess for transferring, to an associated switch, a key switching force applied to the outer surface of the flexible layer in the switch activation area,
wherein the key element is joined tightly to the inner surface of the flexible layer and to the supporting frame to form one single Dnent, characterized in that the key element is comprised in an inner resilient layer joined to an inner surface of the supporting frame.
2. A cover according to claim 1 , wherein the key element is more resilient than the supporting frame.
3. A cover according to claim 1 or 2, wherein the flexible layer, the supporting frame and the key element are joined in a moulding process to form one single component.
4. A cover according to claim 3, wherein the resilient layer covers substantially the entire inner surface of the supporting frame. 19
5. A cover according to any of the preceding claims, wherein the flexible layer is formed from a foil material onto which the supporting frame and the key element is moulded.
6. A cover according to any of the preceding claims, wherein the supporting frame is made from an at least substantially transparent material.
7. A cover according to any of the preceding claims, wherein the flexible layer is made from an at least substantially transparent material.
8. A cover according to claim 7, wherein the flexible layer comprises a surface decoration on the inner surface thereof.
9. A cover according to claim 8, wherein the decoration is at least substantially non-transparent.
10. A cover according to claim 8 or 9, wherein the supporting frame and/or the key element are/is adhesively bonded to the surface decoration.
11. A cover according to claim 1 , wherein the resilient layer is made from an at least substantially non-transparent material.
12. A cover according to claim 11 , wherein the resilient layer is penetrated to allow light to pass through selected areas of the non-transparent material.
13. A cover according to any of the preceding claims, wherein the flexible layer comprises an embossed mark forming an elevation of a part of the outer surface. 20
14. A cover according to any of the preceding claims, wherein the supporting frame forms a peripheral rim portion forming a flange for attaching the cover to a corresponding push button switch casing.
15. A cover according to any of the preceding claims, wherein the resilient layer extends through openings in the flange and forms a seal along an outer edge thereof.
16. A cover according to any of the preceding claims, wherein the flexible layer and/or the frame, and/or the resilient layer comprises a conductive material so as to isolate electronic components shielded by the cover from electrical noise.
17. A housing for a push button switch, said housing comprising a cover according to any of the preceding claims, and a casing.
18. A housing according to claim 17, further comprising light emitting means arranged to illuminate an inner surface of the cover.
19. A method of making a cover for a push button switch, said method comprising the steps of:
- arranging a sheet of a foil material in a cavity of a tool of an injection moulding machine,
- in a first injection, injecting a first material for moulding a supporting frame onto a first side of the sheet, leaving a switch activation area of the sheet free, in a second injection, injecting a second material moulding a key element onto the switch activation area of the sheet, characterized in that the key element is comprised in an inner resilient layer joined to an inner surface of the supporting frame. 21
20. A method according to claim 19, wherein the key element is moulded in a material which, after curing, becomes relatively hard compared to the material of the supporting frame.
21. A method according to claim 19 or 20, wherein the second injection is performed within a period of 10-100 seconds after the first injection and wherein the second material is capable of adhering to the first material by the formation of a composition comprising a melt of the first and of the second material.
22. A method according to claim 21 , wherein the first material is selected with a higher melting point than the second material.
23. A method according to any of claims 19-22, wherein an image is printed onto the first side of the sheet, the image being visible from an opposite second side of the sheet.
AMSuren SHEET [ARTICLE 19)
PCT/DK2004/000229 2003-04-03 2004-04-01 A cover for a push button switch Ceased WO2004088694A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112004000492T DE112004000492B4 (en) 2003-04-03 2004-04-01 Cover for a key switch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200300507 2003-04-03
DKPA200300507 2003-04-03

Publications (2)

Publication Number Publication Date
WO2004088694A1 WO2004088694A1 (en) 2004-10-14
WO2004088694B1 true WO2004088694B1 (en) 2004-12-29

Family

ID=33104013

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2004/000229 Ceased WO2004088694A1 (en) 2003-04-03 2004-04-01 A cover for a push button switch

Country Status (2)

Country Link
DE (1) DE112004000492B4 (en)
WO (1) WO2004088694A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7572108B2 (en) 2003-12-08 2009-08-11 Sta-Rite Industries, Llc Pump controller system and method
US7878766B2 (en) 2001-11-26 2011-02-01 Shurflo, Llc Pump and pump control circuit apparatus and method
US8840376B2 (en) 2004-08-26 2014-09-23 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
US9404500B2 (en) 2004-08-26 2016-08-02 Pentair Water Pool And Spa, Inc. Control algorithm of variable speed pumping system
US9556874B2 (en) 2009-06-09 2017-01-31 Pentair Flow Technologies, Llc Method of controlling a pump and motor

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8043070B2 (en) 2004-08-26 2011-10-25 Pentair Water Pool And Spa, Inc. Speed control
US8602745B2 (en) 2004-08-26 2013-12-10 Pentair Water Pool And Spa, Inc. Anti-entrapment and anti-dead head function
US7874808B2 (en) 2004-08-26 2011-01-25 Pentair Water Pool And Spa, Inc. Variable speed pumping system and method
US8480373B2 (en) 2004-08-26 2013-07-09 Pentair Water Pool And Spa, Inc. Filter loading
US7845913B2 (en) 2004-08-26 2010-12-07 Pentair Water Pool And Spa, Inc. Flow control
US8469675B2 (en) 2004-08-26 2013-06-25 Pentair Water Pool And Spa, Inc. Priming protection
FI118282B (en) * 2005-03-09 2007-09-14 Elcoteq Se Button Top
DE102006025641A1 (en) * 2006-05-24 2007-11-29 Jens Malms Control strips e.g. for car keys with electronic vehicle lock, has glued function keys to unlock encryption code with two hollow spaces provided through channel
US20080183133A1 (en) * 2007-01-30 2008-07-31 Animas Corporation Infusion pump keypad assembly and method for making the same
EP2342402B1 (en) 2008-10-06 2018-06-06 Pentair Water Pool and Spa, Inc. Method of operating a safety vacuum release system
US8564233B2 (en) 2009-06-09 2013-10-22 Sta-Rite Industries, Llc Safety system and method for pump and motor
EP2347880A1 (en) * 2010-01-25 2011-07-27 Koninklijke Philips Electronics N.V. A method for producing a device comprising at least one displaceable operating member as well as such a device
EP2402968B1 (en) * 2010-06-30 2015-01-21 BlackBerry Limited Deflection Web for a Keypad Assembly
US8283582B2 (en) 2010-06-30 2012-10-09 Research In Motion Limited Deflection web for a keypad assembly
CN103477075B (en) 2010-12-08 2016-12-21 滨特尔水池水疗公司 Discharge Vacuum Relief Valves for Safety Vacuum Release Systems
EP2774009B1 (en) 2011-11-01 2017-08-16 Pentair Water Pool and Spa, Inc. Flow locking system and method
DE102011056934A1 (en) * 2011-12-21 2013-06-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Mobile identification transmitter with a flexible film which at least partially comprises the housing
US9885360B2 (en) 2012-10-25 2018-02-06 Pentair Flow Technologies, Llc Battery backup sump pump systems and methods
US11086139B2 (en) * 2018-03-05 2021-08-10 Snap Inc. Button assembly and method of manufacturing thereof
DE102018121322A1 (en) * 2018-08-31 2020-03-05 Heyco IML Kunststofftechnik GmbH&Co.KG Method for producing a component for a motor vehicle, and corresponding component

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JPS61140009A (en) * 1984-12-12 1986-06-27 信越ポリマ−株式会社 Push button switch
JPH0367539A (en) * 1988-12-06 1991-03-22 Nippon Kayaku Co Ltd Preservative of fresh aquatic product
FR2647588B1 (en) * 1989-05-23 1996-07-19 Moulinex Sa SWITCHING KEYBOARD FOR CONTROL PANEL OF AN ELECTRICAL APPARATUS
KR960003475U (en) * 1994-06-08 1996-01-22 Lighting Remote Control
DE29613811U1 (en) * 1995-09-07 1996-10-10 Sartorius AG, 37075 Göttingen Measuring device or measured value printer with membrane operating keyboard
JPH11126536A (en) * 1997-10-23 1999-05-11 Shin Etsu Polymer Co Ltd Cover member for push button switch and push button switch
DE59913713D1 (en) * 1998-08-31 2006-09-07 Siemens Ag HOUSING TOOL FOR A COMMUNICATION TERMINAL
JP2000100277A (en) * 1998-09-25 2000-04-07 Jsr Corp Keyboard switch and manufacturing method thereof
KR100342959B1 (en) * 1998-12-31 2002-07-05 양윤홍 Keypad for cellular phone and method of manufacturing same
JP3589582B2 (en) * 1999-02-19 2004-11-17 信越ポリマー株式会社 Push button switch structure and method of manufacturing the same

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7878766B2 (en) 2001-11-26 2011-02-01 Shurflo, Llc Pump and pump control circuit apparatus and method
US9109590B2 (en) 2001-11-26 2015-08-18 Shurflo, Llc Pump and pump control circuit apparatus and method
US8641383B2 (en) 2001-11-26 2014-02-04 Shurflo, Llc Pump and pump control circuit apparatus and method
US8337166B2 (en) 2001-11-26 2012-12-25 Shurflo, Llc Pump and pump control circuit apparatus and method
US7815420B2 (en) 2003-12-08 2010-10-19 Sta-Rite Industries, Llc Pump controller system and method
US7704051B2 (en) 2003-12-08 2010-04-27 Sta-Rite Industries, Llc Pump controller system and method
US7857600B2 (en) 2003-12-08 2010-12-28 Sta-Rite Industries, Llc Pump controller system and method
US7751159B2 (en) 2003-12-08 2010-07-06 Sta-Rite Industries, Llc Pump controller system and method
US7976284B2 (en) 2003-12-08 2011-07-12 Sta-Rite Industries, Llc Pump controller system and method
US7983877B2 (en) 2003-12-08 2011-07-19 Sta-Rite Industries, Llc Pump controller system and method
US7990091B2 (en) 2003-12-08 2011-08-02 Sta-Rite Industries, Llc Pump controller system and method
US7572108B2 (en) 2003-12-08 2009-08-11 Sta-Rite Industries, Llc Pump controller system and method
US8444394B2 (en) 2003-12-08 2013-05-21 Sta-Rite Industries, Llc Pump controller system and method
US7686587B2 (en) 2003-12-08 2010-03-30 Sta-Rite Industries, Llc Pump controller system and method
US9371829B2 (en) 2003-12-08 2016-06-21 Pentair Water Pool And Spa, Inc. Pump controller system and method
US7612510B2 (en) 2003-12-08 2009-11-03 Sta-Rite Industries, Llc Pump controller system and method
US9328727B2 (en) 2003-12-08 2016-05-03 Pentair Water Pool And Spa, Inc. Pump controller system and method
US8840376B2 (en) 2004-08-26 2014-09-23 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
US9404500B2 (en) 2004-08-26 2016-08-02 Pentair Water Pool And Spa, Inc. Control algorithm of variable speed pumping system
US9556874B2 (en) 2009-06-09 2017-01-31 Pentair Flow Technologies, Llc Method of controlling a pump and motor

Also Published As

Publication number Publication date
WO2004088694A1 (en) 2004-10-14
DE112004000492B4 (en) 2008-11-06
DE112004000492T5 (en) 2006-02-02

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