US3690531A - Tape feed apparatus for use in electro-motive tape cutter - Google Patents

Tape feed apparatus for use in electro-motive tape cutter Download PDF

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Publication number
US3690531A
US3690531A US158913A US3690531DA US3690531A US 3690531 A US3690531 A US 3690531A US 158913 A US158913 A US 158913A US 3690531D A US3690531D A US 3690531DA US 3690531 A US3690531 A US 3690531A
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US
United States
Prior art keywords
roll
tape
pawl
pressing segment
motive
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
US158913A
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English (en)
Inventor
Satoshi Tanigami
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.)
ELM IND CO Ltd
Original Assignee
ELM IND CO Ltd
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
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/006—Article or web delivery apparatus incorporating cutting or line-perforating devices with means for delivering a predetermined length of tape
    • B65H35/0066—Article or web delivery apparatus incorporating cutting or line-perforating devices with means for delivering a predetermined length of tape this length being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/002—Hand-held or table apparatus
    • B65H35/0026—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/20—Severing by manually forcing against fixed edge
    • Y10T225/205—With feed-out of predetermined length from work supply
    • Y10T225/206—Including means to select or adjust feed-out length
    • 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
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/4443—Unicyclic
    • Y10T83/4445—Convertible to and from unicyclic
    • 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
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/4539—Means to change tool position, or length or datum position of work- or tool-feed increment
    • Y10T83/4541—With means to vary magnitude of work-feed increment
    • Y10T83/4544—Multi-increment type [e.g., ticket issuing]

Definitions

  • the present invention relates to an electro-motive tape cutter which is capable of automatically feeding by optional length of an adhesive tape for use in sealing that is provided with the adhesive coated on one side thereof and coiled round an annular spool make of cardboard.
  • the electro-motive tape cutter in the prior art as above has been defective in that: it tends to make the tape being unreeled thereby warp upwards gradually to become annular; and, because of its complicated mechanism comprising plural switches as well as numerous levers, it is not only hard to manufacture, resulting in a high price, but also apt to go out of order while being used.
  • Principal object of the present invention is to provide a tape feed apparatus for use in electro-motive tape cutter, which is so devised as to make up for the above mentioned shortcomings of the conventional apparatuses and prevent the unreeled adhesive tape from warping upwards.
  • Another object of the present invention is to provide a tape feed apparatus for use in electro-motive tape cutter, which is relatively simple in construction, is easy to manufacture, and can be offered at moderate prices.
  • a further object of the present invention is to provide a tape feed apparatus for' use in electro-motive tape cutter, which is so devised that a tape adjusting roll to function to prevent the unreeled tape from warping upwards moves vertically, and a pressing segment capable of moving vertically in concert with the vertical motion of said tape adjusting roll functions to switch on or off the motor.
  • a still further object of the present invention is to provide a tape feed apparatus for use in electro-motive tape cutter, wherein: a pressing segment, which is fixed onto and is always pulled downwards by a rotary shaft capable of moving vertically in concert with the vertical motion of a tape adjusting roll, functions to rotate the motor by switching thereon when it descends and switches off the motor when it is disengaged from the switch by the pressure of the pawl of a pawl discfixed on the shaft of the feed roll connected to the motor.
  • Still another object of the present invention is to provide a tape feed apparatus for use in electro-motive tape cutter, which features provision of a feed roll and a stripping roll, each roll consisting of plural discs having knurled periphery and fixed onto a rotary shaft at prescribed intervals, of which the stripping roll is devised to have peripheral speed higher than that of the feed roll so as to prevent the adhesive tape from sticking to the periphery of both rolls and also separate the tape smoothly from the stripping roll.
  • An additional object of the present invention is to provide atape feed apparatus for use in electro-motive tape cutter, wherein a tape adjusting roll is installed by so energizing as to make its periphery eat into the loop groove of a stripping roll at the time of feeding the tape in orderto prevent it from warping upwards.
  • Yet another object of the present invention is to provide a tape feed apparatus for use in electro-motive tape cutter, wherein the second pawl disc is fit onto the shaft of a feed roll in axially slidable fashion, in addition to the first pawl disc fixed on said shaft, in order to make the pawl of the second pawl disc engage with or disengage from the pressing segment by virtue of the movement of a travelling lever, which supports the second pawl disc rotatably, along the shaft of the feed roll to thereby change the feed length of the tape optionally.
  • Still an additional object of the present invention is to provide a tape feed apparatus for use in electro-motive tape cutter, wherein a changeover lever for the purpose of shifting the foregoing travelling lever is installed in slidable fashion on the wall of the casing, so that, when this change-over lever is moved, its tip comes to contact with the pressing segment to displace it so as not to strike the switch and, by virtue of such displacement, the pressing segment will not turn the switch on even when it descends.
  • a particular object of the present invention is to provide a tape feed apparatus for use in electro-motive tape cutter, wherein a supporting plate for the purpose of supporting said pressing segment in vertically movable fashion is installed on the wall of the casing so as to be capable of vertical motion with a bias for ever ascending and is so devised as to be capable of switching on when it is pushed down even if the pressing segment is disconnected from the switch.
  • FIG. I is'a front view of an apparatus which may be utilized in practicing one embodiment of the present invention, wherein the state of the pressing segment dis engaged from the switch and held in abeyance is shown by removing the cover of one side of the apparatus.
  • FIG. 2 is a rear view of the same apparatus as in FIG. 1 with its cover taken off partially to show the interior thereof.
  • FIG. 3 is a plane figure of the same apparatus with both sides thereof covered up.
  • FIG. 4 is an enlarged sectional view taken along the direction of the arrow upon cutting the apparatus in FIG. 3 along the line N-N.
  • FIG. 5 is an enlarged front view of the switch system of the apparatus in FIG. 1, showing the state of the switch being on to operate the apparatus.
  • FIG. 6 is an enlarged sectional view of the same apparatus as in FIG. 1, wherein the state of the switch being off due to ascent of the pressing segment is shown by removing the supporting plate.
  • FIG. 7 is an enlarged sectional view taken of the right side of the pressing segment and the supporting plate of the apparatus in FIG. 1, showing their interrelation.
  • FIG. 8 is a partial plane figure, on an enlarged scale, of the apparatus in FIG. 1, showing the state of the second pawl disc prior to displacement.
  • FIG. 9 is a partial plane figure, on an enlarged scale, of the apparatus in FIG. 1, showing the state of the second pawl disc after displacement.
  • 1 denotes the main body of the apparatus, which is provided with: the dent 4 sandwitched between the confronting walls 2 and 3; the reel 5 pivoted on one side of both walls 2 and 3 by the upper part thereof for the purpose of coiling thereon the tape T; the feed roll 6 pivoted on the other side of both walls 2 and 3 by the upper part thereof and the stripping roll 7 pivoted on the same side below said feed roll 6 slantwise.
  • the feed roll 6 consists of plural discs 8 having knurled periphery and fixed onto the rotary shaft 9 at prescribed intervals.
  • the stripping roll 7 consists of plural discs 10 having knurled periphery and fixed onto the rotary shaft 11 at prescribed intervals, and said interval is devised to be slightly wider than the thickness of each of said discs 8 while the thickness of each of the discs 10 is slightly less than the interval of the discs 8 so as to insert the discs 8 and 10 into the opposite openings of the discs 10 and 8.
  • the supporting'shaft 14 of the adjusting roll 13 is supported by the arms, which extend above the stripping roll 7, of the bracket 12 pivoted on the rotary shaft 9 of said feed roll 6, and this adjusting roll 13 eats into the openings of-the discs 10 of the stripping roll 7.
  • the c utter 15, which is located between the tape adjusting roll 13 andthe feed roll 6 and disposed above the stripping roll 7, is fixed on the walls 2 and 3.
  • 20 denotes the motor, and, on the opposite end of the rotary shaft 21 thereof, there is fixed said driving toothed wheel 19.
  • This motor 20 is rotated by a battery (not shown) placed in a housing 22 and controlled by the switch 23.
  • the supporting plate 25 which is engaged, by the oblong hole 28 thereof, with the stop pin 27 screwed into the bracket 26 fixed on the wall 2, and, on the upper end of this supporting plate 25, there is fixed the push button 29 projecting over the top of the wall 2.
  • the oblong hole 30 On the upper part of the supporting plate 25, there is provided the oblong hole 30, and, the wall 2 is provided with the oblong hole 31 bored therein at a position opposite to the oblong hole and having a length almost the same as said hole 30.
  • Each end of the shaft 32 is put into the oblong holes 30 and 31, and one end of said shaft 32 protruding into the inner side of the wall 2 is supported by the top side of the bracket 12, while, between the other end of said shaft protruding outside and the lower end of the supporting plate 25, there is installed the spring 33 so as to make the shaft 32 contact with the lower ends of the oblong holes 30 and 31 and to make the lower end of the oblong hole 28 of the supporting plate 25 contact with the stop pin 27, respectively.
  • the head of the pressing segment 36 having forked legs 34 and 35 appended to the lower end thereof is fixed to said shaft, and the projecting pawl 37 is provided on the upper right side of the pressing segment 36.
  • the spring 38 which always gives a pull so as to confront the other leg 34 with the top side of the contact 24 when the pressing segment36 ascends.
  • FIGS. 5-7 there is also shown the change-over lever 39.
  • This lever is so devised as to be supported by the guide plate 40 projecting from the wall 2 and shiftable along said wall, and consists of a couple of horizontal plates 41 and 42 and the vertical plate 43.
  • Above the upper horizontal plate 41 there is provided the button 44 which protrudes upwards through the slit 45 provided on the top of the wall 2, and the change-over lever 39 moves in concert with this button 44 moving within the slit 45.
  • One end of the lower horizontal plate 42 of the change-over lever 39 is confronted with the leg 34 of the pressing segment 36 above the contact 24 of the switch 23, and a couple of contact stop projections 46 are provided at the junction, of the lower horizontal plate 42 and the vertical plate 43. These contact stop projections 46 are connected with the tip of the leaf spring 47 whose base section is fixed on the wall 2.
  • FIGS. 5-7 48 denotes the travelling lever, and its portion adjacent to one end thereof is slidably supported by the pin 49 installed on the wall 2.
  • This lever is always pressed against the wall 2 in its entirety by the spring 50 coiled round the pin 49, and the other end of this lever supports, in rotatable fashion, the second pawl disc 52 which not only rotates together with the rotary shaft 9 of the feed roll 6 but also fits therein in axially slidable fashion.
  • the travelling lever 48 is provided with the projection 53 on its inside so as to make the vertical plate 43 of said change-over lever 39 strike it when said lever travels rightwards as illustrated.
  • the pawls 54 and 55 provided on the first and second pawl discs 51 and 52 are disposed symmetrically centering around the rotary shaft 9.
  • 54 denotes the telltale hole, trough which the signals L, S. OFF, etc. indicated on the top of the upper plate 41 of the change-over lever 39 can be read.
  • FIGS. l4 show a phase of the operation being in abeyance upon stripping the end of a roll of the tape T coiled round the reel 5 and feeding it to the left side as in FIG. 1 by way of the feed roll 6, the stripping roll 7 and the adjusting roll 13.
  • the tape T is cut and the upward force imposed on the adjusting roll 13 disappears, so that the pressing segment 36 descends by virtue of the spring 33 to push down the contact 24 by the tip of the leg 34 as shown in FIG. 7, whereby the switch 23 is turned on to operate the motor 20; rotate the driving toothed wheel 19 mounted on the rotary shaft 21, rotate the toothed wheels 16 and 17 through the gear train 18, and bring about simultaneous rotation of the feed roll 6 and the stripping roll 7 by means of the rotary shafts 9 and 11 to feed the tape T.
  • the first pawl disc 51 fixed on the opposite side of the rotary shaft 9 rotates and the pawl 54 provided on the periphery of said disc strikes the pawl 37 of the pressing segment 36 to oscillate the pressing segment 36 leftwards centering around the shaft 32.
  • the tip of the leg 34 gets disconnected from the top of the contact 24 to descend while keeping in touch with the side of the contact 24 as it is pulled by the spring 33, and the contact 24 projects to turn the switch 23 off, thereby stopping the motor 20 to discontinue the feeding of the tape T.
  • the tape T is fed by the length equivalent to one rotation of the first pawl disc 51.
  • the button 44 is slidden a little to the right from the position shown in FIG. 1.
  • the change-over lever 39 located as in FIG. 8' shifts rightwards as shown in FIG. 9, and the right side of the vertical plate 43 comes in contact with the projection 53 disposed inside the travelling lever 48, whereby the travelling lever 48 shifts from the position shown in FIG. 8 to the position shown in FIG. 9.
  • the travelling lever 48 shifts along the pin 49 in defiance of the pressure of the spring 50.
  • the second pawl disc 52 pivoted on one end of said lever 48 also shifts simultaneously, thereby moving the pawl 55, which is disposed not to engage with the pawl 37 of the pressing segment 36 prior to said shift of the lever 48, to come to engage with said pawl 37.
  • the pawl 55 of the second pawl disc 52 and the pawl 54 of the first pawl disc 51 are disposed symmetrically centering around the rotary shaft 9 and the pawls 54 and 55 work to turn the switch 23 off the pressing segment 36 twice per one rotation of the rotary shaft 9, so that the feed length of the tape T becomes half that of the previous operation.
  • the button 44 is slidden to the utmost left of the slit shown in FIG. 1.
  • the change-over lever 39 moves leftwards and the tip of its lower horizontal plate 42 passes the back of the contact 24 of the switch 23 to come in contact with the side of the leg 34 of the pressing segment 36 and push it leftwards to disconnect it from the contact 24.
  • the pressing segment 36 cannot move rightwards despite the pull of the spring 38 and the lower end of the leg 34 does not connect with the top of the contact 24 when the pressing segment 36 descends in the wake of its ascent at the time of cutting the tape T, whereby the switch 23 remains off and the motor 20 does not work.
  • the position of the button 44 does not matter.
  • the supporting plate 25 descends and its lower end presses the top of the contact 24 of the switch 23 to turn it on and rotate the motor 20, while the push button 29 is released, by virtue of the spring installed between its lower part and the shaft 32, the supporting plate 25 descends and gets disconnected from the contact 24 to turn the switch 23 off and stop the rotation of the motor 20. Accordingly, the tape T can be fed by required length through operation of the push button 29.
  • the periphery of both the feed roll 6 and the stripping roll 7 is confronted with the adhesive coated side of the tape T, so that it is necessary to prevent the tape T from sticking to the periphery of these rolls at the time of feeding it. Therefore, these rolles 6 and 7 consist of plural discs 8 and 10, each having knurled periphery and being fixed on the rotary shafts 9 and 11, respectively, at prescribed intervals.
  • the tape T is prevented from sticking to the periphery of the both rolls 6 and 7, but also it can be smoothly stripped off the periphery of the feed roll 7 inasmuch as these rolls are so devised that the driving toothed wheel 17 for the stripping roll 7 is provided with diameter smaller than that of the driving toothed wheel 16 for the feed roll 6 and consequently the peripheral speed of the stripping roll 7 is higher than that of the feed roll 6 to thereby bias the tape T slightly upwards as it is released from the stripping roll 7.
  • the adjusting roll 13 functions to push the tape T in the opening between the discs 10 of the stripping roll 7, whereby the tape T comes to be provided with continuous stria grooved lengthwise thereon and the upward swarping bias of the tape T is checked by these stria.
  • a tape feed apparatus for use in electro-motive tape cutter which is characterized by that: in one section of the dent provided on the upper part of the casing of the apparatus, a reel for the adhesive tape is pivoted in rotatable fashion; a feed roll and a stripping roll are pivoted in a row in theother section of said dent; said feed roll and stripping roll are connected with a motor equipped inside the casing through an interlocking device; an adjusting roll is pivoted above the stripping roll in the dent in vertically movable fashion; a pressing segment capable of vertical motion in concert with said adjusting roll is installed on the wall of the casing in slidable fashion; and the lower end of said pressing segment is made to face the contact of a change-over switch of said motor.
  • said pawl disc consists of the first pawl disc which is fixed on the feed roll shaft and has its pawl so disposed as to be always confronted with the pawl of said pressing segment and the second pawl disc which not only rotates together with the feed roll shaft but also can slide along said shaft;
  • the second pawl disc is rotatably supported alever whi htravels axial] alon the feed rol shaf iii concert with the transv rse rfiovement of said change-over lever; and, when the second pawl disc shifts its position toward the first pawl disc in concert with the movement of this travelling lever, its pawl comes in line with the pawl of the first pawl disc to face the pawl of said pressing segment.

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  • Adhesive Tape Dispensing Devices (AREA)
US158913A 1970-07-25 1971-07-01 Tape feed apparatus for use in electro-motive tape cutter Expired - Lifetime US3690531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45064735A JPS4941678B1 (enrdf_load_stackoverflow) 1970-07-25 1970-07-25

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US3690531A true US3690531A (en) 1972-09-12

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US158913A Expired - Lifetime US3690531A (en) 1970-07-25 1971-07-01 Tape feed apparatus for use in electro-motive tape cutter

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JP (1) JPS4941678B1 (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802309A (en) * 1971-05-14 1974-04-09 Ketcham & Mcdougall Automatic tape dispenser
US5048737A (en) * 1989-08-01 1991-09-17 Elm Industry Co., Ltd. Motor-driven tape cutter
US5478000A (en) * 1995-01-03 1995-12-26 Jensen R&D Corporation Device for automatically cutting and dispensing tape
US5645206A (en) * 1993-03-08 1997-07-08 Ippisch; Kevin Automated dental floss dispensing apparatus
US6386415B1 (en) 2000-12-27 2002-05-14 Polymicro System Inc. Adhesive tape feeding apparatus for feeding tape automatically after cutting
US20100043617A1 (en) * 2006-09-12 2010-02-25 Nippon Primex Inc. Sheet cutter
US20120151599A1 (en) * 2010-12-09 2012-06-14 SolaByte New Media Services LLC Electronic system for the protection and control of license transactions associated with the disablement of replicated read only media and its bound licensed content
CN103910226A (zh) * 2014-04-22 2014-07-09 苏州华周胶带有限公司 一种通用胶带自动切割机
CN105858318A (zh) * 2015-01-19 2016-08-17 顺德工业股份有限公司 可拉出固定长度胶带的胶带台

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776833A (en) * 1951-10-18 1957-01-08 Nashua Corp Automatic power-driven tape serving machine
US2845266A (en) * 1951-02-09 1958-07-29 Marsh Stencil Machine Company Tape dispenser
US2964225A (en) * 1958-03-24 1960-12-13 Smet George W De Tape dispensing machine
US2980307A (en) * 1961-04-18 crane
US3147139A (en) * 1960-02-19 1964-09-01 Nashua Corp Machine for dispensing pre-printed repeat-design tape in predetermined registered lengths
US3293967A (en) * 1965-03-29 1966-12-27 Better Packages Inc Tape serving device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980307A (en) * 1961-04-18 crane
US2845266A (en) * 1951-02-09 1958-07-29 Marsh Stencil Machine Company Tape dispenser
US2776833A (en) * 1951-10-18 1957-01-08 Nashua Corp Automatic power-driven tape serving machine
US2964225A (en) * 1958-03-24 1960-12-13 Smet George W De Tape dispensing machine
US3147139A (en) * 1960-02-19 1964-09-01 Nashua Corp Machine for dispensing pre-printed repeat-design tape in predetermined registered lengths
US3293967A (en) * 1965-03-29 1966-12-27 Better Packages Inc Tape serving device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802309A (en) * 1971-05-14 1974-04-09 Ketcham & Mcdougall Automatic tape dispenser
US5048737A (en) * 1989-08-01 1991-09-17 Elm Industry Co., Ltd. Motor-driven tape cutter
US5645206A (en) * 1993-03-08 1997-07-08 Ippisch; Kevin Automated dental floss dispensing apparatus
US5478000A (en) * 1995-01-03 1995-12-26 Jensen R&D Corporation Device for automatically cutting and dispensing tape
US6386415B1 (en) 2000-12-27 2002-05-14 Polymicro System Inc. Adhesive tape feeding apparatus for feeding tape automatically after cutting
US20100043617A1 (en) * 2006-09-12 2010-02-25 Nippon Primex Inc. Sheet cutter
US8651002B2 (en) * 2006-09-12 2014-02-18 Nippon Primex Inc. Sheet cutter
US20120151599A1 (en) * 2010-12-09 2012-06-14 SolaByte New Media Services LLC Electronic system for the protection and control of license transactions associated with the disablement of replicated read only media and its bound licensed content
CN103910226A (zh) * 2014-04-22 2014-07-09 苏州华周胶带有限公司 一种通用胶带自动切割机
CN105858318A (zh) * 2015-01-19 2016-08-17 顺德工业股份有限公司 可拉出固定长度胶带的胶带台

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Publication number Publication date
JPS4941678B1 (enrdf_load_stackoverflow) 1974-11-11

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