GB2287216A - Pen-like electric heat sealer - Google Patents

Pen-like electric heat sealer Download PDF

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Publication number
GB2287216A
GB2287216A GB9404363A GB9404363A GB2287216A GB 2287216 A GB2287216 A GB 2287216A GB 9404363 A GB9404363 A GB 9404363A GB 9404363 A GB9404363 A GB 9404363A GB 2287216 A GB2287216 A GB 2287216A
Authority
GB
United Kingdom
Prior art keywords
electric heat
heat
electric
sealer
power supply
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.)
Withdrawn
Application number
GB9404363A
Other versions
GB9404363D0 (en
Inventor
Ammy Chou
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
Priority to DE4402452A priority Critical patent/DE4402452C1/en
Application filed by Individual filed Critical Individual
Priority to GB9404363A priority patent/GB2287216A/en
Publication of GB9404363D0 publication Critical patent/GB9404363D0/en
Priority to EP95100568A priority patent/EP0665096A1/en
Publication of GB2287216A publication Critical patent/GB2287216A/en
Withdrawn legal-status Critical Current

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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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/306—Applying a mark during joining
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81422—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B29C66/8616—Pen or pencil like
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B29C66/8618—Hand-held tools being battery operated
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Package Closures (AREA)

Abstract

A fountain-pen shaped heat sealing tool (1) comprises a housing (3) for the electrical supply, and a holder (2) for a heat sealing unit (5). A cap (7) with a fixing clip (70) covers the holders (2). The heat sealing unit (5) has a tip (511) extending out through a hole (20) in the holder and a heating element surrounds the tip (511). A compression spring (50) is located between the heat sealing unit (5) and the housing (3) and when pressure is applied to the tip (511) by contact with a workpiece electrical contact is made between the electrical supply and tip (511) which is formed back against the spring (50). When pressure is released the spring presses the tip (511) forward to break the circuit.

Description

i is 2287216 PEN BASE ELECTRIC HEAT SEALER The present invention relates
to a heat sealer, and more particularly to a pen base electric heat sealer for sealing polyethylene ba.-s, etc. by heat.
A vari-.ty of electric heat sealing apparatus have been disclosed for industrial and home uses, and have appeared on the market. Among c= these electric heat scaling apparatus, stapler type electric heat sealing apparatus arre most popularly accepted by consumers. A stapler type electric heat scaling apparatus, exemplars of which are shown in C= U.S. Patent No. 5,142,123 and Japanese Patent No.
63-57206, is generally comprised of a housing made in the form of a stapler. Because much storage space is needed. a stapler type electric heat is not convenient for carrying one of personal accessories.
of stapler type electric heat is that the heating action must sealing apparatus with oneself as Another drawback sealing apparatus 1 is be employed twice when sealing the open side of a polyethylene bag. When sealing the open side of a polyethylene bag with a stapler type electric heat sealing apparatus, as illustrateed in Figure 8. one end of the open sfide of the polyethylene bag is held in one hand as the other hand is holding the electric heat sealing apparatus to sealing the ba.-. Therefore, the corner area of the open side of the - be sea' polyethylene bag must Led later.
The present invention eliminates the aforesaid drawbacks. It is one object of the present invention to provide a pen base electr.,c heat sealer which is as eas-y to use as a pen. Tt is another object of the present invention to provide a pen base electric heat sealer which is as easy to carry as a pen. It is still another object of the present inventLon to provide a pen base electric heat sealer which is automatically turned on to produce heat for sealing., as it is pressed on the workpiece to be sealed, or turned off to step from R producing heat as it is released from the workpiece. The present invention uses a coil spring to separate the electric heating unit from the DC power supply unit. AS the front end of the electric heating unit is,pressed on the workpiece of compress the coil spring, the electric contacts on the electric heating unit becime electrically connected to the two opposite contacts of the DC power supply unit, and therefore the electric heating unit is turned on. AS the electric heating is released from the workpiece, the coil spring immediately pushes the contacts of the electric heating unit away from the contacts of the DC power supply unit. The cylindrical housing of the pen base electric heat sealer is attached with a cap having a clip convenient for hanging on the pocket.
3 un it An embodiment of the present:&.nvention will now be described by way of example with reference to the accompanying drawings in which:
is Fig. I is an exploded view of a pen base electric heat sealer according to the preferred embodiment of the present invention; Fig. 2 is an elevational view of the pen base electric heatisealer; Fig. 3 is a longitudinal sectional view of the pen base electric heat sealer.- Fig. 4 is a partial sectional view of the pen base electric heat sealer showing the metal clamps of the electric heat seal unit disconnected from the contacts of the metal contact plates; Fig. S is similar to Fig. 4. but showing the --d to the contacts metal clamps electrically connect- of the metal contact plates:
F i Cr.
6 is a schematic drawing showing the pen base electric heat sealing fastened to the pocket by the clip on the cap thereof; - is a schematic drawina showina the Cr I Fig. operation of the present invention in sealin, the open side of a polyethylene bag through one stroke; Fig. 8 is longitudinal sectional view of an 7 - R - is alternate form of the housing of the pen base electric heat sealer according to the present invention; Fig. 9 is another embodiment of the present invention which u4na. a embed stainless ball for the sealing tip; Fig. 10 is another embodiment of the present invention which using a roller for the sealing tip; Fig. 10A is a sectional view taken on line lOA-10A of Fig. 10; Fig. 11 is another embodiment of the present invention which having an elbow-shape on the sealing tip end of the pen.
Referring to the various drawings attached herewith, a detailed description of the structural features of " PEN BASE ELECTRIC HEAT SEALER of the present invention is as follows:
Referring first to Figures 1, 2 and 3, a pen base electric heat sealer in accordance with is the preferred embodiment of the present invention is generally comprised of cylindrical housing 1 made in the shape of a pen convenient for the holding of the hand. The cylindrical housing 1 is comprised of a pow(r supply unit.3) and an electric heat seal unit 5 longitudinally connected to the power supply unit J at one end. The power supply unit 3 comprises a cylindrical battery chamber 30, which receives two dry battery cells 4; 4' connected in series (see Figure 3), and a cylindrical connecting neck - 331 in a relatively,tery smaller outer diameter extended from the bath chamber 30 at one end for connecting the electric heat seal unit 5 in a flush manner.
The battery chamber 30 has an opening 301 for loading , the dry battery calls 4;4' and a battery lid 37, detachably covered on the openin.301. The battery lid 37 has two retainers 370:3711 on two opposite ends thereof for mounting on the opening; 301.
is The power supply unit 3 comprises two metal contact plates 32;33, each having one end connected to either pole of the dry battery cells 4;4' and an opposite end extended out of the bottom wall J34 of the battery chaTber 30 and terminated to a respective contact 36 or 35. one metal contact plate 32. is connected in series to a power switch 38 for On/Off switching control. The bottom wall 34 of the battery chamber 30 is a division wall between the battery chamber 30 and the connecting neck 31.
The electric heat seal unit -5 is received in a socket 21. The socket 2 has a top open end 22 in a relatively bigger diameter, into which the -om open end in a connecting neck 331 fits, and a bott relatively smaller diameter terminated to a small opening 210. The electric heat seal unit 5 comprises a base 51 having a top center hole -510 and a convexly curved surface sealing tip 511, a coil spring 50 having one end inserted in the hole 510 1 W on the base 551 and an opposite end stopped against the bottom wall 34 of the battery chamber 30 see also Figure 4), two metal clamps 5.3);S4 bilaterally fastened to the base 51 at. the top, anelectric heating wire 52 f4,stened between the metal clamps 53;54 and attached to the bottom edge of the bottom projecting block 511 being disposed 1-9 out of the socket 2 through the opening 20. a protective layer of heat-resisting fibers 55-1 covered over the electric heating wire 52 for protection.
Referring to Figure -1r, the electricheat seal unit 5 is retained inside the soc,',,1-.et 2 between two stop blocks 21;21' with the coil spring -250 stopped against the bottom wall 34 of the battery chamber 30, and the metal clamps are respectively spaced below the contacts 36;335. The 111;21' are prov. -de the stop blocks 4ded to zu, -- -Ion= movement of the electric heat seal unit a the Ing longitudinal axis of the hous.
-g- is -)o Referring to Figure 5, as the switch J38 is switched on and the convexly curved surface sealing tip 511 of the electric heat seal unit 5 is pressed and slid on the plastic films 6;6' to be sealed. The metal clampp 53;S4 become respectively connected to the contacts 36;35 to electrically connect the electric circuit, and therefore the. electric heating wire 521 is heated to give heat through the protective layer of heat resisting fibers 55 for sealing the plastic films 6:6. As soon as the scaling tip 511 of the electric heat seal unit 5 is removed from the plastic films 6; 6. The coil spring 50 immediately push the base 551 outwards, and therefore the metal clamps 53;-54 are separated from the contacts 36;35 to.disconnect the electric circuit. Therefore, the pen bease electric heat sealer is as easy to use as a pen.
Referring . to Figure 6 and Figure 1 again. there is provided a cap 17 with a clip 70 for covering the socket.2 and the electric heat seal is unit 5 as the pen base electric heat sealer is not in use. By means of the clip 710, the pen base electric heat sealer can be fastened to a pocket.
Referring,to Ficrure 7, as the pen base electric heat sealer is as easy to use as a pen, sealing the open side of a polyethylene bag can be done in one stroke.
Referring to Figure 8, therein illustrated is an alternate form of the power supply unit 33. The battery chamber 30 of the power supply unit 3 comprises a rear opening 39 covered with an end cap 9 for loading dry battery cells 4;4'. The end cap 9 has a conductor 90 on the inside. AS the end cap 9 is fastened to the battery chamber -30 of the power supply unit 3, the conductor 90 and the metal contacts 32;33 and the dry battery cells 4:4' form into a closed circuit. This arrrangement is disigned to replace the aforesaid opening 301 and battery lid 37 for easy loading of the dry battery cells 4,.JV' Referring to Figure 9, therein illustrated is another embodiment of the present invention which using a embed-stainless ball 512 for the sealing tip. The major purpose of using a embed stainless ball for the sealing tip is reducIng friction between the sealing tip and the plastic films, that is changing sliding friction to rollIng friction, so that could avoid scratching the plastic films. tnd the ball tip could usefully ft o r a small curvature sealing path.
Referring to Figure 10 and Figure IOA, therein illustrated are another embodiment of the present invention, which is similar to Figure 9 but using a roller 513 for the sealing tip. The major purpose of using.a roller is reducing friction and widen the sealing path. Futhe:more. the rolling surface of the roller 513 could be embossed with trademark, advertising word or pattern for improving a sense of beauty or advertising-effect.
9 Referring to Figure 11, therein illustrated is another embodiment of the present invention which having an e4bow-shape structure suits handholding and could be used in a narrow working space.
PEN BASE ELECTRIC HEAT SEALER

Claims (1)

  1. CLAIMS:
    1. A pen base electric heat sealer including a power supply unit attached with a taper socket at one end to hold dry battery cells and an electric heat seal unit, the electric heat seal unit being separable from the bottom wall of the battery chamber of the power supply unit, and a cap with a clip covered on the taper socket for fastening therein, whereby the electric heat seal unit is electrically connectable to the power supply unit to produce heat f or sealing as the unit is pressed on the workpiece to be sealed; the electric heat seal unit is electrically disconnectable from the power supply unit to stop producing heat as the applied pressure is released.
    2. An electric heat sealer comprising a cylindrical casing attached with a taper socket at one end to hold a power supply unit and an electric heat seal unit, a protective cap detachably covered on said taper socket over said electric heat seal unit, said electric heat seal unit having a heat sealing tip extended out of said taper socket through a hole thereon for sealing, an electric heating element fastened around said heat sealing tip, and spring means supported between said electric heat seal unit and said cylindrical casing, said cap having a unitary clip for fastening, whereby pressing said heat sealing tip of said electric heat seal unit on a workpiece causes said electric heating element to be electrically connected to produce heat; releasing said heat sealing tip from the workpiece causes said electric heating element to be electrically disconnected.
    3. A sealer as claimed in claim 1 or 2, wherein said power supply unit comprises a power switch for power on/off control.
    4. A heat sealer as claimed in claim 1, 2 or 3, wherein the heat sealing tip comprises a ball bearing.
    5. A heat sealer as claimed in claim 4, wherein the ball baring is of stainless steel.
    6. A heat sealer as claimed in claim 1 or 2, wherein the sealer tip is a roller.
    7. A heat sealer as claimed in any one of the preceding claims, wherein the casing includes abend therein for facilitating location of the pen in narrow working spaces.
    9. An electric heat sealer substantially as hereinbefore described with reference to, and as illustrated in Figures 1 to 3; or Figs. 1 to 3 with the f eatures of Figs. 4 to 7; or Fig. 8; or Fig. 9; or Fig.
    and 10A; or Fig. 11 of the accompanying drawings.
    v
GB9404363A 1994-01-27 1994-03-07 Pen-like electric heat sealer Withdrawn GB2287216A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE4402452A DE4402452C1 (en) 1994-01-27 1994-01-27 Fountain pen-shaped heat seating tool
GB9404363A GB2287216A (en) 1994-01-27 1994-03-07 Pen-like electric heat sealer
EP95100568A EP0665096A1 (en) 1994-01-27 1995-01-17 Pen-like electric heat sealer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4402452A DE4402452C1 (en) 1994-01-27 1994-01-27 Fountain pen-shaped heat seating tool
GB9404363A GB2287216A (en) 1994-01-27 1994-03-07 Pen-like electric heat sealer

Publications (2)

Publication Number Publication Date
GB9404363D0 GB9404363D0 (en) 1994-04-20
GB2287216A true GB2287216A (en) 1995-09-13

Family

ID=25933325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9404363A Withdrawn GB2287216A (en) 1994-01-27 1994-03-07 Pen-like electric heat sealer

Country Status (3)

Country Link
EP (1) EP0665096A1 (en)
DE (1) DE4402452C1 (en)
GB (1) GB2287216A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324981A (en) * 1997-03-14 1998-11-11 Ammy Chou Electric heat pen for heat sealing and gold-blocking purposes

Families Citing this family (3)

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ES2210981T3 (en) * 1999-05-04 2004-07-01 Richard Chang MANUAL ELECTRICAL SEALER WITH SECURITY MEANS.
DE19949915A1 (en) * 1999-10-16 2001-04-19 Rovema Gmbh Heat sealing bar for plastic packaging films, has an interchangeable sealing face component
TW593068B (en) * 2003-06-25 2004-06-21 Shu-Huei Jou Replaceable electric-heating sealing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324981A (en) * 1997-03-14 1998-11-11 Ammy Chou Electric heat pen for heat sealing and gold-blocking purposes

Also Published As

Publication number Publication date
EP0665096A1 (en) 1995-08-02
GB9404363D0 (en) 1994-04-20
DE4402452C1 (en) 1995-05-18

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