CA1055570A - Cavity press operating at a natural frequency of the workpiece - Google Patents
Cavity press operating at a natural frequency of the workpieceInfo
- Publication number
- CA1055570A CA1055570A CA241,432A CA241432A CA1055570A CA 1055570 A CA1055570 A CA 1055570A CA 241432 A CA241432 A CA 241432A CA 1055570 A CA1055570 A CA 1055570A
- Authority
- CA
- Canada
- Prior art keywords
- voltage
- valve
- high frequency
- grid current
- workpiece
- 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
Links
- 230000005684 electric field Effects 0.000 claims abstract description 15
- 230000011664 signaling Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 abstract description 35
- 239000000463 material Substances 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/46—Dielectric heating
- H05B6/48—Circuits
- H05B6/50—Circuits for monitoring or control
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- General Induction Heating (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA305,733A CA1057363A (en) | 1974-12-20 | 1978-06-19 | Apparatus for applying a high frequency electric field and pressure on a workpiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5525674A GB1526207A (en) | 1974-12-20 | 1974-12-20 | Apparatus suitable for use in performing hf operations on workpieces |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1055570A true CA1055570A (en) | 1979-05-29 |
Family
ID=10473411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA241,432A Expired CA1055570A (en) | 1974-12-20 | 1975-12-10 | Cavity press operating at a natural frequency of the workpiece |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5188574A (forum.php) |
CA (1) | CA1055570A (forum.php) |
DE (1) | DE2557548A1 (forum.php) |
ES (1) | ES444023A1 (forum.php) |
FR (1) | FR2294818A2 (forum.php) |
GB (1) | GB1526207A (forum.php) |
NL (1) | NL7514819A (forum.php) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0757492B2 (ja) * | 1992-07-23 | 1995-06-21 | 康光 竹内 | 高周波ビニール加工装置 |
RU2396171C1 (ru) * | 2008-12-22 | 2010-08-10 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный технологический институт (технический университет)" | Способ высокочастотной сварки деталей из пластмасс и устройство для его осуществления |
-
1974
- 1974-12-20 GB GB5525674A patent/GB1526207A/en not_active Expired
-
1975
- 1975-12-10 CA CA241,432A patent/CA1055570A/en not_active Expired
- 1975-12-19 DE DE19752557548 patent/DE2557548A1/de active Pending
- 1975-12-19 ES ES444023A patent/ES444023A1/es not_active Expired
- 1975-12-19 NL NL7514819A patent/NL7514819A/xx not_active Application Discontinuation
- 1975-12-19 FR FR7539060A patent/FR2294818A2/fr active Granted
- 1975-12-20 JP JP50152729A patent/JPS5188574A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2557548A1 (de) | 1976-07-01 |
ES444023A1 (es) | 1977-04-16 |
GB1526207A (en) | 1978-09-27 |
FR2294818A2 (fr) | 1976-07-16 |
NL7514819A (nl) | 1976-06-22 |
JPS5188574A (forum.php) | 1976-08-03 |
FR2294818B2 (forum.php) | 1979-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7220950B2 (en) | RF welding device | |
US2460460A (en) | Method of heat sealing and apparatus therefor | |
US3668486A (en) | Load-sensitive generator for driving piezo-electric transducers | |
US7586071B2 (en) | RF welding device with filtering and tuning | |
US5117088A (en) | Device and method for starting electric arc of a welder | |
US1168346A (en) | Apparatus for electric welding. | |
US4205210A (en) | High frequency cavity press | |
CA1055570A (en) | Cavity press operating at a natural frequency of the workpiece | |
US3171014A (en) | Method of effecting magnetic deformation of a workpiece | |
US3484578A (en) | Electric welding machine with rotating arc | |
CA1057363A (en) | Apparatus for applying a high frequency electric field and pressure on a workpiece | |
US2548246A (en) | Arc-over protective system for high-frequency heating systems | |
US2868940A (en) | Electronic arc-suppressor | |
US3332036A (en) | High frequency electrical power source with pulsating control | |
US2814715A (en) | Percussive welding arc starting devices | |
US2529717A (en) | Heat sealing applicator with removable electrode | |
US2835776A (en) | Apparatus for heat sealing plastic films | |
US1902469A (en) | Welding apparatus | |
US2246179A (en) | Electric control circuit | |
JPS5681678A (en) | Method and apparatus for plasma etching | |
US20090095402A1 (en) | Method and apparatus for controlling the power output of a radio frequency sealing machine | |
US3169230A (en) | Dielectric heating apparatus with automatic tunable resonant circuit | |
US2315926A (en) | Electric valve circuit | |
US2898432A (en) | High frequency heating system | |
US1493656A (en) | Welding apparatus |