CA2090384A1 - Diaphragme conique et procede de fabrication - Google Patents

Diaphragme conique et procede de fabrication

Info

Publication number
CA2090384A1
CA2090384A1 CA2090384A CA2090384A CA2090384A1 CA 2090384 A1 CA2090384 A1 CA 2090384A1 CA 2090384 A CA2090384 A CA 2090384A CA 2090384 A CA2090384 A CA 2090384A CA 2090384 A1 CA2090384 A1 CA 2090384A1
Authority
CA
Canada
Prior art keywords
diaphragm
making
sidewall
clamping bead
fabric
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
CA2090384A
Other languages
English (en)
Other versions
CA2090384C (fr
Inventor
Daniel G. Scott
William K. Mong
Willard P. Spalding
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Publication of CA2090384A1 publication Critical patent/CA2090384A1/fr
Application granted granted Critical
Publication of CA2090384C publication Critical patent/CA2090384C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/005—Moulds or cores; Details thereof or accessories therefor characterised by the location of the parting line of the mould parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B19/00—Positive-displacement machines or engines of flexible-wall type
    • F01B19/02—Positive-displacement machines or engines of flexible-wall type with plate-like flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J3/00—Diaphragms; Bellows; Bellows pistons
    • F16J3/02—Diaphragms
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • 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
    • B29L2031/755—Membranes, diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Diaphragms And Bellows (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA002090384A 1992-05-18 1993-02-25 Diaphragme conique et procede de fabrication Expired - Fee Related CA2090384C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/884,359 US5220863A (en) 1992-05-18 1992-05-18 Conical diaphragm and method of making
US07/884359 1992-08-18

Publications (2)

Publication Number Publication Date
CA2090384A1 true CA2090384A1 (fr) 1994-02-19
CA2090384C CA2090384C (fr) 1999-03-02

Family

ID=25384451

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002090384A Expired - Fee Related CA2090384C (fr) 1992-05-18 1993-02-25 Diaphragme conique et procede de fabrication

Country Status (3)

Country Link
US (1) US5220863A (fr)
JP (1) JPH06137426A (fr)
CA (1) CA2090384C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2084444T3 (es) * 1992-01-15 1996-05-01 Patrick Arthur Leach Metodo y aparato para hacer un ensamblado de cono y cerco de altavoz.
US5437219A (en) * 1993-11-03 1995-08-01 Westinghouse Air Brake Company Low stress conical type diaphragm
US6224801B1 (en) * 1995-03-21 2001-05-01 Harman International Industries Incorporated Method of making a speaker
US5996470A (en) * 1997-11-18 1999-12-07 Westinghouse Air Brake Company Wear ring for diaphragm and outer piston
US6067893A (en) * 1998-03-10 2000-05-30 Westinghouse Air Brake Company Ribbed diaphragm
US6553988B1 (en) * 2000-06-09 2003-04-29 Norton Healthcare, Inc. Medicament dispensing device with a multimaterial diaphragm bounding a pneumatic force chamber
US6578691B1 (en) 2001-04-13 2003-06-17 Mach Iii Clutch, Inc. Ultra-low stiction torque transfer device
JP2003021234A (ja) * 2001-07-05 2003-01-24 Nok Corp ダイアフラム
CN100569481C (zh) * 2008-03-25 2009-12-16 诸先桥 汽车制动器气室隔膜制备工艺
US20140264103A1 (en) * 2013-03-15 2014-09-18 Wabtec Holding Corp. Shaped Diaphragm with Retaining Feature
DE102013205141A1 (de) * 2013-03-22 2014-09-25 BSH Bosch und Siemens Hausgeräte GmbH Schmelzeleitsystem für In-Mold-Decoration (IMD)- oder In-Mold-Labeling (IML)-Verfahren zum Spritzgießen
DE102017119865A1 (de) * 2016-09-07 2018-03-08 Sennheiser Electronic Gmbh & Co. Kg Elektrodynamischer Schallwandler und Verfahren zum Herstellen eines elektrodynamischen Schallwandlers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460168A (en) * 1944-08-14 1949-01-25 Caserta Michele Method of making a diaphragm
JPS5590316A (en) * 1978-12-28 1980-07-08 Toyoda Gosei Co Ltd Drawing molding of high polymer product
JPS5722460A (en) * 1980-07-11 1982-02-05 Nok Corp Manufacture of diaphragm
US4989497A (en) * 1985-08-30 1991-02-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Flexible diaphragm-extreme temperature usage

Also Published As

Publication number Publication date
JPH06137426A (ja) 1994-05-17
CA2090384C (fr) 1999-03-02
US5220863A (en) 1993-06-22

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed