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FR2098851A5 - - Google Patents

Info

Publication number
FR2098851A5
FR2098851A5 FR7028024A FR7028024A FR2098851A5 FR 2098851 A5 FR2098851 A5 FR 2098851A5 FR 7028024 A FR7028024 A FR 7028024A FR 7028024 A FR7028024 A FR 7028024A FR 2098851 A5 FR2098851 A5 FR 2098851A5
Authority
FR
France
Prior art keywords
current
variations
capacitor
welder
maintain
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.)
Expired
Application number
FR7028024A
Other languages
French (fr)
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.)
PEUGEOT and RENAULT
Renault SA
Original Assignee
PEUGEOT and RENAULT
Renault SA
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 PEUGEOT and RENAULT, Renault SA filed Critical PEUGEOT and RENAULT
Priority to FR7028024A priority Critical patent/FR2098851A5/fr
Priority to BE768936A priority patent/BE768936A/en
Priority to GB2954471A priority patent/GB1356854A/en
Priority to DE2138057A priority patent/DE2138057B2/en
Application granted granted Critical
Publication of FR2098851A5 publication Critical patent/FR2098851A5/fr
Expired 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
    • 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
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • 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
    • B29C66/71—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 characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/944—Measuring or controlling the joining process by measuring or controlling the time by controlling or regulating the time
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/959—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables
    • B29C66/9592—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables in explicit relation to another variable, e.g. X-Y diagrams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • General Induction Heating (AREA)

Abstract

1356854 Seaming non-metallic sheet material REGIE NATIONALE DES USINES RENAULT and AUTOMOBILES PEUGEOT 23 June 1971 [29 July 1970] 29544/71 Heading B5K [Also in Division G3] A welding machine of the high frequency dielectric loss type is provided with a selfregulating device to maintain a stable power at the welding electrodes 5, 6, the device comprising an electromagnet 19 whose coil is energized by the current I supplied to the high frequency generator 1 of the welder and whose core 18 is connected via an insulating tongue 13 to the movable plate 10 of a variable capacitor Cl, the arrangement being such that variations of the current I produced by variations in the dielectric losses across electrodes 5, 6 result in variations of the capacitor C1 to maintain the current at a predetermined value. Typical characteristics are discussed relating current and time for a welder without and with the device, Figs. 3 and 4 (not shown). The capacitor Cl may be adjusted by a stop screw 24 to determine the initial value of the current I, which may be the plate current of the oscillating triode of the generator 1. The construction of the device is described, Fig. 6 (not shown).
FR7028024A 1970-07-29 1970-07-29 Expired FR2098851A5 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7028024A FR2098851A5 (en) 1970-07-29 1970-07-29
BE768936A BE768936A (en) 1970-07-29 1971-06-23 POWER SELF-REGULATOR DEVICE FOR HIGH FREQUENCY WELDING MACHINES BY DIELECTRIC LOSSES
GB2954471A GB1356854A (en) 1970-07-29 1971-06-23 Power self-regulating devices for high-frequency dielectric loss welding machinges
DE2138057A DE2138057B2 (en) 1970-07-29 1971-07-29 Automatic power regulator for high-frequency welding machines that work with dielectric losses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7028024A FR2098851A5 (en) 1970-07-29 1970-07-29

Publications (1)

Publication Number Publication Date
FR2098851A5 true FR2098851A5 (en) 1972-03-10

Family

ID=9059449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7028024A Expired FR2098851A5 (en) 1970-07-29 1970-07-29

Country Status (4)

Country Link
BE (1) BE768936A (en)
DE (1) DE2138057B2 (en)
FR (1) FR2098851A5 (en)
GB (1) GB1356854A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024753C2 (en) * 1980-06-30 1983-12-08 PKM Projektionsgesellschaft für Kunststoffverarbeitungsmaschinen mbH, 7140 Ludwigsburg Circuit arrangement for high frequency welding
AT380400B (en) * 1984-05-07 1986-05-12 Isosport Verbundbauteile METHOD FOR PRODUCING SKI AND DEVICE FOR CARRYING OUT THIS METHOD

Also Published As

Publication number Publication date
DE2138057A1 (en) 1972-03-02
DE2138057B2 (en) 1973-09-20
GB1356854A (en) 1974-06-19
BE768936A (en) 1971-11-03

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Legal Events

Date Code Title Description
ST Notification of lapse