IT1022380B - Procedimento di lavorazione a freddo particolarmente per dia frammi metallici - Google Patents

Procedimento di lavorazione a freddo particolarmente per dia frammi metallici

Info

Publication number
IT1022380B
IT1022380B IT27788/74A IT2778874A IT1022380B IT 1022380 B IT1022380 B IT 1022380B IT 27788/74 A IT27788/74 A IT 27788/74A IT 2778874 A IT2778874 A IT 2778874A IT 1022380 B IT1022380 B IT 1022380B
Authority
IT
Italy
Prior art keywords
dia
working process
cold working
metal frames
process especially
Prior art date
Application number
IT27788/74A
Other languages
English (en)
Original Assignee
Itt
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 Itt filed Critical Itt
Application granted granted Critical
Publication of IT1022380B publication Critical patent/IT1022380B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
    • G01L9/0044—Constructional details of non-semiconductive diaphragms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/006—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of metallic strain gauges fixed to an element other than the pressure transmitting diaphragm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49805—Shaping by direct application of fluent pressure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Diaphragms And Bellows (AREA)
  • Measuring Fluid Pressure (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
IT27788/74A 1973-10-01 1974-09-27 Procedimento di lavorazione a freddo particolarmente per dia frammi metallici IT1022380B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/402,036 US4011650A (en) 1973-10-01 1973-10-01 Cold working process

Publications (1)

Publication Number Publication Date
IT1022380B true IT1022380B (it) 1978-03-20

Family

ID=23590263

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27788/74A IT1022380B (it) 1973-10-01 1974-09-27 Procedimento di lavorazione a freddo particolarmente per dia frammi metallici

Country Status (8)

Country Link
US (1) US4011650A (it)
JP (1) JPS50110968A (it)
CA (1) CA1013708A (it)
DE (1) DE2444928A1 (it)
FR (1) FR2246938B1 (it)
GB (1) GB1481179A (it)
IT (1) IT1022380B (it)
NL (1) NL7412510A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237775A (en) * 1978-08-21 1980-12-09 Gould Inc. Diaphragm for pressure sensors
US5311662A (en) * 1992-04-22 1994-05-17 Siemens Automotive L.P. Press metering apparatus and method
US8281669B2 (en) * 2008-09-02 2012-10-09 Daniel A Ertl Simplified orifice type differential pressure flow meter with improved accuracy
NO20111436A1 (no) * 2011-10-21 2013-04-22 Petroleum Technology Co As Pluggsensor for temperatur- og trykkovervaking i en olje-/gassbronn
JP6228003B2 (ja) * 2013-12-26 2017-11-08 サンデンホールディングス株式会社 流量検出装置及び可変容量圧縮機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123903A (en) * 1964-03-10 Manufacture of snap-acting devices
US3302269A (en) * 1965-02-02 1967-02-07 Texas Instruments Inc Methods of making condition responsive devices

Also Published As

Publication number Publication date
GB1481179A (en) 1977-07-27
JPS50110968A (it) 1975-09-01
FR2246938A1 (it) 1975-05-02
FR2246938B1 (it) 1979-09-28
US4011650A (en) 1977-03-15
NL7412510A (nl) 1975-04-03
CA1013708A (en) 1977-07-12
DE2444928A1 (de) 1975-04-10

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