US3818539A - Desoldering implement - Google Patents

Desoldering implement Download PDF

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Publication number
US3818539A
US3818539A US00364082A US36408273A US3818539A US 3818539 A US3818539 A US 3818539A US 00364082 A US00364082 A US 00364082A US 36408273 A US36408273 A US 36408273A US 3818539 A US3818539 A US 3818539A
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US
United States
Prior art keywords
cocking
sheath
piston
body member
cylinder
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 - Lifetime
Application number
US00364082A
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English (en)
Inventor
W Fortune
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US00364082A priority Critical patent/US3818539A/en
Priority to GB1646674A priority patent/GB1419724A/en
Priority to IT21809/74A priority patent/IT1010021B/it
Priority to SE7405818A priority patent/SE392226B/xx
Priority to JP49047803A priority patent/JPS5815631B2/ja
Priority to DK236274AA priority patent/DK141546B/da
Priority to CA199,038A priority patent/CA1002710A/en
Priority to DE2424233A priority patent/DE2424233A1/de
Priority to BE144748A priority patent/BE815531A/fr
Priority to FR7418044A priority patent/FR2230424B1/fr
Priority to CH713774A priority patent/CH571780A5/xx
Application granted granted Critical
Publication of US3818539A publication Critical patent/US3818539A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0061—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids adapted for disinfecting or sterilising
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0085—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids adapted for special purposes not related to cleaning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/018—Unsoldering; Removal of melted solder or other residues

Definitions

  • a sheath for the cocking shaft is also carried by the body and is movable axially thereon.
  • the rearward end of the sheath is closed and is engaged by the hand of the operator to push the cocking shaft into the cylindrical body of the implement.
  • the cocking sheath is then returned by a second, light spring to its fully extended position, while the cocking shaft is held forwardly by the trigger mechanism.
  • the cocking sheath provides both a handle and a protection covering for the cocking shaft.
  • the tip element is frictionally held within the forward end of the cylindrical body and is cleaned with each cocking stroke by the passage therethrough of a cleaning shaft affixed to and extending forwardly from the piston.
  • a cleaning shaft affixed to and extending forwardly from the piston.
  • the invention relates generally to removing or lifting or drawing away, by air suction technique, small quantities of particulate, liquid, or molten matter and particularly to apparatus improvements in hand held, hand operated vacuum stroke cleaning devices.
  • the present invention finds particularly useful application in the field of soldering, desoldering, and rewiring in electronic laboratories, maintenance shops, factories, or hobbyists benches; and although, in the case of clarity and brevity, much of the following discussion and description of examples of the invention are directed theretoward, it is expressly to be understood that the advantages of the invention are equally well manifest in other fields wherever and whenever substances are to be removed or cleaned from an object such, for further example, in medical or dental fields as in removal of foreign objects or unwanted substances from portions of the body including the eye, ear, nose, throat, or open wound or the like.
  • the cocking knob is typically large and soft, and therefore massive, for comfortable repeated cocking cycles by the hand of the operator. These criteria cause the flyback mass to be relatively large compared to the thinwalled cylindrical housing body; consequently, the outer housing suffers a recoil causing a deflection of the solder inlet tip away from the location of the molten solder.
  • This recoil caused displacement is particularly intolerable in medical applications such as in removing foreign matter from a childs eye.
  • a hand held, hand operated vacuum stroke cleaning implement which includes a shroud body which holds a cylinder member and a cooperating piston-plunger member axially reciprocally movable therewithin.
  • the piston-plunger member is biased by a mainspring in a direction, hereinafter denoted rearwardly, away from the nozzle or vacuum tip end of the cylinder member.
  • the plunger member includes a cocking shaft extending rearwardly through the end of the cylinder member opposite from its tip or nozzle end.
  • the cocking shaft also extends rearwardly out of the shroud body and has a length to permit its use to urge the piston-plunger member fully forwardly against its mainspring to a position contiguous to the tip or nozzle end of the cylinder member.
  • a trigger mechanism carried by the shroud body engages the piston-plunger cocking shaft assembly and holds it in the forward position until the trigger mechanism is released permitting the piston to flyback and create a high magnitude impulse of air flow through the tip nozzle member and into the interior of the cylinder member.
  • a cocking sheath also carried by the shroud body, includes skirt portions which extend along retainer slots internally of the shroud body and are axially slidable therealong.
  • the rearward, external end of the cocking sheath is effectively closed and, when the cocking sheath is inserted fully within the shroud body, the closed end engages the rear end of the cocking shaft and forces it forwardly to its cocked position.
  • the cocking shaft is operated, or cocked, without direct contact by the hand or finger of the operator and therefore needs no massive knob or cushion carried thereby.
  • a cocking sheath return spring replaces the sheath to its rearward, fully extended, or relatively fully withdrawn position.
  • the trigger may then be released, when desired, for a rapid flyback of the piston and cocking shaft. Because the cocking shaft is within the fully extended cocking sheath, there is no danger or risk of injury to the operator even though the cocking shaft is bare of any protective knob or cushion. The safety and low inertia advantages of the cocking shaft cocking sheath subcombination are accordingly manifest.
  • Sheath locking means are provided for holding the sheath in its fully inserted, forward position in a compact configuration for shipping and for bench or toolbox storage.
  • the compact arrangement also provides additional protection to the sheath and cocking shaft during periods of non-use.
  • FIG. 1 is a perspective view of an example of a vacuum stroke cleaning implement constructed in accordance with the principles of the present invention, the implement being illustrated in an uncocked or unloaded configuration;
  • FIG.,2 is a similar view partially broken away to reveal interior detail of portions of the major elements of the instrument
  • FIG. 3 is a longitudinal sectional view of the structure of FIG. 2 taken along the section reference lines 3-3 thereof;
  • FIG. 4 is a plan view of the apparatus of FIG. 1 illustrated during the cocking cycle
  • FIG. 5 is an exploded view of that portion of the structure of FIG. 2 indicated by the reference numerals 5-5 thereof;
  • FIG. 6 is a longitudinal sectional view of the trigger portion of FIG. 3 taken along the section reference lines 6-6 thereof;
  • FIG. 7 is a plan view of the structure of FIG. 1 shown in a storage configuration.
  • FIG. 8 is a plan view like that of FIG. 4 in which a tip ejection operation is illustrated.
  • the example of the vacuum stroke cleaning implement 10 illustrated includes a cylindrical body member 2 having an open forward end 14 and a substantially closed, plunger shaft journal supporting rear end 16.
  • a trigger assembly 18 which cooperates with the plunger shaft is carried by the rear end 16 of the body member 12.
  • a vacuum cylinder 20 is carried by and partially enclosed within the body member 12.
  • the cylinder 20 is molded of a rigid transparent plastic for visibility therewithin as for inspection purposes.
  • a tip and nozzle assembly 22, 24 is removably carried by the forward end 26 of the cylinder 20.
  • a cocking sheath 28 is also carried by the body member 12 and has a pair of retainer tongue side members 30, 32 which extend forwardly, axially slidingly into retaining channels (shown in subsequent figures) of the body member 12.
  • the rear end portion 34 of the cocking sheath is essentially closed and is formed to include a cocking shaft engaging anvil surface 36.
  • a cocking sheath return spring 38 is axially compressively retained within the cocking sheath between the end portion 34 and the rear end 16 of the body member 12.
  • Each of the retainer tongue side members 30, 32 is provided with a latching aperture 40 which cooperates with a latching lug (shown in subsequent figures) carried on the inner surface of each of a pair of flexible locking tabs 44 carried by the rear end of the body member 12.
  • the latching lugs may be inserted into the latching apertures 40 when desired to retain the cocking sheath in a protective, compact relation with the body member 12 as for shipping or toll box storage of the tool, the cocking sheath being otherwise returned to its axially extended position, as shown, by the return spring 38.
  • FIG. 2 further details of the major elements of the tool 10 are shown in a partially cut-away version of the previous figure.
  • the entire length of the transparent cylinder 20 is exposed and it may be noted that the cylinder is a simple, hollow and thin walled, right circular cylinder open at both ends, the only irregularity being a pair of locking shoulders 46 which slide along guiding channels, not shown, formed in the inner surface of the body member 12, and achieve a bayonet type of locking engagement with mating structure, shown in subsequent figures, of the body member 12 and disposed at the rear end 16 thereof.
  • the cocking sheath 28 is held to the body member 12 by a retainer lug 48 molded integrally with the forward tip end of each of the tongue members.
  • the retainer lugs slide axially along respective cooperative grooves formed in the inner surface of the body member 12 and are held from ejection to the rear by a stopping edge 50 on the body member 12.
  • the latching lug portion 52 of the flexible latching tab 44 is also shown.
  • the piston-plunger assembly 54 is shown and includes a piston 56 and piston o-ring 58 disposed in vacuum pump relation within the cylinder 20.
  • a tip cleaning rod 60 is carried by the plunger assembly and extends forwardly therefrom into the nozzle 20 when the piston is pushed into its cocked position.
  • a relatively stiff vacuum stroke or recoil spring 62 is connected axially in tension between the piston 56 and the rear end portion 16 of the body member 12.
  • FIG. 3 the retaining, guide channels 64, 66 in the body member 12 for the retaining lugs 48 of the tongue members 30, 32 are shown.
  • the retaining and guiding channels are molded in the inner surface of the body member 12 and may extend essentially for the entire length thereof. Also to be noted from this view is the sheath-like nature of the body member 12 with respect to the cylinder 20.
  • the annular spacing 67 between the two cylindrical elements serves two particularly useful functions: first, the space provides a guideway for the axially slidable tongue, side members 30, 32 of the cocking element 28; and, secondly, the space serves as a baffle for the output of air from the vacuum pump stroke of the piston plunger 54.
  • the cleaning rod 60 is a forwardly directed extension of a plunger mounting rod 70 upon which the piston 56 is mounted and which has a rearwardly extending cocking rod 72, the end 74 of which is engaged by the anvil surface 36 of the cocking sheath 28 suring the manual cocking stroke of the piston assembly.
  • a soft rubber bumper element 75 for added gripping when the tool is cocked by engaging the end 34 against the workbench and pushing the cocking sheath into the body member 12.
  • the cocking or vacuum stroke spring 62 is suspended over the plunger mounting rod 70 in tension between its hook end 76 affixed to the rear end portion 16 of the body member I2 and its forward hook end 78 affixed to the rear of the piston 56.
  • the trigger assembly engages the cocking shoulder 80 of the cocking plunger 72 and holds the piston assembly in its forward disposition, as shown in FIG. 4 until the trigger 82 is pressed to release it and permit it to fly back to its rear, uncocked disposition at the rear of the body member 12.
  • FIG. 4 the tip cleaning rod extension 60 is automatically inserted into the bore 83 of the nozzle 22 thusly to clean it of any foreign material deposited there as during the previous vacuum stroke
  • FIG. 5 the assembly-disassembly of cylinder 20 and the body member 12 are illustrated.
  • the bayonet type locking shoulders 46 slide axially into guide slots 84 formed, as indicated, in the inner surface of the body member 12.
  • the legend push in" on the cylinder 20 is aligned with the legend in on the barrel of the body member 12; this aligns the locking shoulders 46 with the guide slots 84.
  • Full insertion is then made and the cylinder is rotated a few degrees clockwise to lock the assembly by bayonet type engagement with the dog-leg portions 86 of the rear end of the slots 84.
  • FIG. 5 Also illustrated in FIG. 5 and to be distinguished from the cylinder guide slots 84 are the'guide slots 64, 66 for the tongue extensions 30, 32 of the cocking sheath 28.
  • the exhaust port 68 in the side of the cylinder 20 is shown to be disposed, in this example in line with one of the slots 84 whereby the exhaust air from the vacuum stroke is further confined to flow therealong and be controlled as it leaves the vicinity of the tool. It should be noted that the exhaust port deliberately is not disposed at the extreme rear end of the cylinder 20. As shown most clearly in FIG. 3, the port is forward of the piston ring 58, in the uncocked mode, whereby during the flyback stroke of the piston, a cushion of air is trapped behind the piston to decelerate it gradually and thereby minimize the impact impulse when the spring would otherwise slam against its coiled self and the rear of the body member 12. The cushioning effect minimizes the recoil effect and, consequently, the displacement of the nozzle 22 away from its desired point of application on the work piece.
  • the trigger mechanism 18 illustrated in FIG. 6 includes a housing formed integrally with the rear portion 16 of the body member 12.
  • a trigger plunger 88 is retained in the bore 89 of the housing by virtue of the plunger mounting rod 72 passing through an opening 90 therein.
  • the opening 90 has a retaining lip 92 which engages the retaining shoulder on the rod 70-72 when the latter is pushed forwardly during the cocking strode.
  • the lip 92 edge may be reinforced by a metal disc 94 emplaced, as shown, on the lower surface of the opening 90.
  • the retaining edge 92 of the trigger plunger 88 is held in engagement with the shoulder 80 by a compression spring 96 retained between the bottom of the bore 89 and the bottom of the trigger plunger 88.
  • the spring 96 is further compressed and the edge or retaining lip 92 is displaced away from its retaining contact with the shoulder 80. This then permits the flyback of the piston plunger assembly.
  • the ratchet action of the trigger retaining lip 92 permits further forward movement of the rod without permitting inadvertent flyback of the piston assembly; since, when released, the retaining shoulder 80 will again be held by the lip 92 until the trigger plunger 88 is deliberately depressed.
  • the flexible latching tabs 44 on the body member 12 are shown with their latching lug portions 52 engaged within the latching apertures 40, not shown, of the tongue members.
  • the latching lug portions 52 are retained within the apertures 40 by the compression of cocking sheath return spring 38.
  • cocking sheath return spring 38 When it is desired to release the cocking sheath from this storage or shipping configuration, one need merely push the cocking sheath forwardly slightly; this permits the resilient tabs 44 to pop outwardly and automatically disengage the latching lugs 52 from the aperture 40.
  • Vacuum stroke cleaning implement comprising: an elongate body member having a rear, journal end, cylinder means disposed at least partially within said body member; piston means carried by said cylinder means in air pump cooperation relation therewith; piston shaft means affixed to said piston means and having a rear, engaging end portion extending rearwardly therefrom through said journal end of said body member; cocking spring means carried by said body member and being of the character to urge said piston means rearwardly in said cylinder means; first trigger-latch means carried by said body member and being actuable from the exterior thereof; second trigger-latch means carried by said piston shaft means and being cooperative with said first trigger-latch means to retain said piston shaft means in a forward disposition against said urging of said cocking spring means until external actuation of said first trigger-latch means, thereupon providing rearward flyback of said piston means in said cylinder means; cocking sheath means carried by said body member and being axially slidable with respect thereto and having a rear, substantially closed
  • said body member including an external shroud portion extending forwardly from said rear, journal end over at least a portion of said cylinder means and defining therebetween cocking sheath retaining slot means for axially slidably receiving and retaining said retainer-guide portion of said cocking sheath means.
  • tip cleaning means including a cleaning rod element carried by and extending forwardly from said piston means and insertable within said nozzle member when said piston means is pushed forwardly against the influence of said cocking spring means.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Manipulator (AREA)
US00364082A 1973-05-25 1973-05-25 Desoldering implement Expired - Lifetime US3818539A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US00364082A US3818539A (en) 1973-05-25 1973-05-25 Desoldering implement
GB1646674A GB1419724A (en) 1973-05-25 1974-04-16 Vacuum stroke cleaning implement
IT21809/74A IT1010021B (it) 1973-05-25 1974-04-23 Apparecchio pulitore con corsa a depressione
JP49047803A JPS5815631B2 (ja) 1973-05-25 1974-04-30 吸引式掃除機
DK236274AA DK141546B (da) 1973-05-25 1974-04-30 Sugeredskab til bortsugning af små mængder partikelformigt eller væskeformigt materiale, f.eks. loddetin.
SE7405818A SE392226B (sv) 1973-05-25 1974-04-30 Rengoringsredskap med sugslagrorelse
CA199,038A CA1002710A (en) 1973-05-25 1974-05-06 Vacuum stroke cleaning implement
DE2424233A DE2424233A1 (de) 1973-05-25 1974-05-18 Vorrichtung zum absaugen von festen, fluessigen oder geschmolzenen partikeln
BE144748A BE815531A (fr) 1973-05-25 1974-05-24 Appareil de nettoyage par aspiration
FR7418044A FR2230424B1 (fr) 1973-05-25 1974-05-24
CH713774A CH571780A5 (fr) 1973-05-25 1974-05-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00364082A US3818539A (en) 1973-05-25 1973-05-25 Desoldering implement

Publications (1)

Publication Number Publication Date
US3818539A true US3818539A (en) 1974-06-25

Family

ID=23432928

Family Applications (1)

Application Number Title Priority Date Filing Date
US00364082A Expired - Lifetime US3818539A (en) 1973-05-25 1973-05-25 Desoldering implement

Country Status (11)

Country Link
US (1) US3818539A (fr)
JP (1) JPS5815631B2 (fr)
BE (1) BE815531A (fr)
CA (1) CA1002710A (fr)
CH (1) CH571780A5 (fr)
DE (1) DE2424233A1 (fr)
DK (1) DK141546B (fr)
FR (1) FR2230424B1 (fr)
GB (1) GB1419724A (fr)
IT (1) IT1010021B (fr)
SE (1) SE392226B (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921249A (en) * 1974-06-24 1975-11-25 William S Fortune Miniature vacuum stroke cleaning implement
US4274176A (en) * 1979-11-20 1981-06-23 Toolema Ab Vacuum operated desoldering tool
US4292706A (en) * 1979-08-20 1981-10-06 Fortune William S Heavy duty desoldering tool
US4603515A (en) * 1980-12-22 1986-08-05 The United States Of America As Represented By The Secretary Of The Air Force Vacuum blast adapter for bombs
US4765229A (en) * 1984-07-02 1988-08-23 Fortune William S Portable vacuum pump for desoldering purposes
EP0330243A1 (fr) * 1984-07-02 1989-08-30 Edsyn Incorporated Pompe portative à dessouder
US5081739A (en) * 1991-06-25 1992-01-21 James Kao Solder-removing tool
US5335655A (en) * 1992-09-10 1994-08-09 Sherwood Medical Company Suction control valve
US5555601A (en) * 1994-03-22 1996-09-17 Wilson Greatbatch Ltd. Ergonomic and easily serviceable vacuum probe
US6070582A (en) * 1996-09-10 2000-06-06 Sherwood Services, Ag Suction control valve
US6131791A (en) * 1999-12-06 2000-10-17 Hakko Corporation Soldering and desoldering device with improved pickup device
US20050204506A1 (en) * 2004-03-22 2005-09-22 Beverley Alvin F Air condition plunger device
US20050218197A1 (en) * 2004-03-31 2005-10-06 Toshikazu Mochizuki Solder heating system
US20060157466A1 (en) * 2005-01-14 2006-07-20 Mitsuhiko Miyazaki Control system for battery powered heating device
US7679032B2 (en) 2003-07-04 2010-03-16 Hakko Corporation Soldering or desoldering iron
DE102006055366B4 (de) * 2005-11-24 2012-01-26 Scott Wu Pumpe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH601667A5 (fr) * 1976-09-14 1978-07-14 Walter Haeuptli
KR101144500B1 (ko) * 2012-03-16 2012-05-11 김상영 진공화 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114026A (en) * 1962-11-05 1963-12-10 William S Fortune Solder removing tool
US3263889A (en) * 1964-10-09 1966-08-02 William S Fortune Solder removal apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114026A (en) * 1962-11-05 1963-12-10 William S Fortune Solder removing tool
US3263889A (en) * 1964-10-09 1966-08-02 William S Fortune Solder removal apparatus

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921249A (en) * 1974-06-24 1975-11-25 William S Fortune Miniature vacuum stroke cleaning implement
US4292706A (en) * 1979-08-20 1981-10-06 Fortune William S Heavy duty desoldering tool
US4274176A (en) * 1979-11-20 1981-06-23 Toolema Ab Vacuum operated desoldering tool
US4603515A (en) * 1980-12-22 1986-08-05 The United States Of America As Represented By The Secretary Of The Air Force Vacuum blast adapter for bombs
US4765229A (en) * 1984-07-02 1988-08-23 Fortune William S Portable vacuum pump for desoldering purposes
EP0330243A1 (fr) * 1984-07-02 1989-08-30 Edsyn Incorporated Pompe portative à dessouder
US5081739A (en) * 1991-06-25 1992-01-21 James Kao Solder-removing tool
US5377672A (en) * 1992-09-10 1995-01-03 Sherwood Medical Company Suction control valve
US5335655A (en) * 1992-09-10 1994-08-09 Sherwood Medical Company Suction control valve
US5555601A (en) * 1994-03-22 1996-09-17 Wilson Greatbatch Ltd. Ergonomic and easily serviceable vacuum probe
US6070582A (en) * 1996-09-10 2000-06-06 Sherwood Services, Ag Suction control valve
US6131791A (en) * 1999-12-06 2000-10-17 Hakko Corporation Soldering and desoldering device with improved pickup device
US7679032B2 (en) 2003-07-04 2010-03-16 Hakko Corporation Soldering or desoldering iron
US20050204506A1 (en) * 2004-03-22 2005-09-22 Beverley Alvin F Air condition plunger device
US20050218197A1 (en) * 2004-03-31 2005-10-06 Toshikazu Mochizuki Solder heating system
US7325714B2 (en) * 2004-03-31 2008-02-05 Hakko Corporation Solder heating system
US20060157466A1 (en) * 2005-01-14 2006-07-20 Mitsuhiko Miyazaki Control system for battery powered heating device
US7608805B2 (en) 2005-01-14 2009-10-27 Hakko Corporation Control system for battery powered heating device
DE102006055366B4 (de) * 2005-11-24 2012-01-26 Scott Wu Pumpe

Also Published As

Publication number Publication date
FR2230424B1 (fr) 1981-02-27
IT1010021B (it) 1977-01-10
DE2424233A1 (de) 1974-12-12
SE392226B (sv) 1977-03-21
FR2230424A1 (fr) 1974-12-20
CA1002710A (en) 1977-01-04
JPS5815631B2 (ja) 1983-03-26
DK141546B (da) 1980-04-21
JPS5016363A (fr) 1975-02-20
DK236274A (fr) 1975-01-13
GB1419724A (en) 1975-12-31
DK141546C (fr) 1980-10-06
CH571780A5 (fr) 1976-01-15
BE815531A (fr) 1974-09-16

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