CN101872186B - Control module capable of automatically adjusting positions of slitting knives - Google Patents
Control module capable of automatically adjusting positions of slitting knives Download PDFInfo
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- CN101872186B CN101872186B CN2009101373501A CN200910137350A CN101872186B CN 101872186 B CN101872186 B CN 101872186B CN 2009101373501 A CN2009101373501 A CN 2009101373501A CN 200910137350 A CN200910137350 A CN 200910137350A CN 101872186 B CN101872186 B CN 101872186B
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- transmission shaft
- knife tool
- slitting
- stroke
- tool displacement
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Abstract
The invention discloses a control module capable of automatically adjusting the positions of slitting knives, which comprises a control component, array knife tool displacement drivers and a driving machine unit, wherein the control component includes the functions of information input, drive control, travel detection and operation processing; the array knife tool displacement drivers are sequentially linearly arranged and respectively connected with the corresponding splitting knives; and the driving machine unit is controlled by the control component and matched with the travel detection, thereby driving the array knife tool displacement drivers to respectively drive the corresponding slitting knives to sequentially displace to the designated positions and further achieving the purpose of automatically adjusting the different spacing intervals between the slitting knives.
Description
Technical field
The present invention relates to a kind of film slitting facility, refer to especially be used for controlling automatically the control module that each slitting knife changes the position in regular turn in the described film slitting facility.
Background technology
As sole, ... wait film in the shaping process, generally be to use film slitting facility earlier large-area film to be cut into the strip film of predetermined width, described strip film is imported respectively in the shaping facility, cut or be die-cut into reservation shape, because films such as sole can be because of the size dimension of different model, and film must be divided into suitable width, to save material, therefore, in the existing film slitting facility, it is located at a plurality of slitting knives on the same driving shaft mostly in conjunction with one group of adjusting mechanism, makes the spacing between slitting knife have adjustable function.
The slitting knife adjusting mechanism of early stage film slitting facility, mainly be to be designed to the hand adjusting mechanism, when the slitting knife spacing is adjusted, must adjust the position of location slitting knife one by one, so that in the adjustment operation of slitting knife, must spend the more working time, operation inconvenience, time-consuming shortcoming of taking a lot of work are arranged.
In order to improve the operation inconvenience problem of aforementioned slitting knife manual adjustment mechanism, the inventor once designed as TaiWan, China announce No. 220187 can adjust cutter synchronously automatically mould (rubber) film cutting cutter, described cutting cutter mainly is respectively to be provided with adjusting gear on the set array set of knives of the driving shaft of its slitting device, rely on described adjusting gear to drive slitting knife respectively and produce the equal difference transverse shift, make cutting cutter when adjusting slitting knife, can adjust certain distance synchronously between each slitting knife.
Yet, aforementioned can adjust cutter synchronously automatically mould (rubber) film cutting cutter design, only can drive the adjusting gear that connects each set of knives and produce the equal difference displacement, make the adjusted potential difference of each cutter all identical, do not have the function that spacing does not wait between automatic adjustment set of knives, it also is the strip film that described film cutting cutter each time only can the large-area film of a slice cuts out a plurality of same widths, can't utilize and not wait width cutting film mode, the large tracts of land film can be made full use of and reduce unnecessary clout waste.
Summary of the invention
Fundamental purpose of the present invention is to provide the control module that can adjust positions of slitting knives automatically, and uncommon so design improves the shortcoming that previous cutting cutter can't be adjusted the slitting knife different spacing automatically.
For achieving the above object, a technical scheme of the present invention's employing is:
A kind of control module that can adjust positions of slitting knives automatically is characterized in that, comprises:
One Control Component comprises data input, drive controlling, stroke detecting and operation processing function;
Array knife tool displacement drivers, line spread and connect a corresponding slitting knife respectively in regular turn; And
One actuating unit is to be controlled by described Control Component and collocation stroke detecting, is used for driving described array knife tool displacement drivers and drives its corresponding slitting knife respectively and be moved to assigned address in regular turn;
Described actuating unit comprises two transmission shafts and two driven units, described two transmission shafts be arranged in parallel, described two driven units respectively comprise a CD-ROM drive motor, described two driven units connect a corresponding transmission shaft with its CD-ROM drive motor respectively, and a transmission shaft that is used for driving in described two transmission shafts is rotated in the forward and drives another transmission shaft retrograde rotation;
Described array knife tool displacement drivers respectively comprises one group of disengaging type transmission external member and one group of cutter pusher shoe, described cutter pusher shoe is located at disengaging type transmission external member below, described array cutter driving device each provide the transmission shaft of described two driven units to wear wherein respectively with its disengaging type transmission external member, described disengaging type transmission external member in can described two transmission shafts of controlled connection a transmission shaft and driven, and make another transmission shaft dally therein, or controlled and described two transmission shafts of disengaging type transmission external member Even Move and be the idle rotation on-off state not;
Described Control Component comprises a controller and several stroke measurment members, described controller is electrically connected described disengaging type interlock external member and described two driven units, described several stroke measurment members are separately positioned on the described disengaging type interlock external member, and be electrically connected described controller, one of make in described two CD-ROM drive motor of described controller selectively actuatable rotation, and be located at the displacement stroke data that the stroke measurment member on the described array knife tool displacement drivers is provided according to dividing, and determine the clutch opportunity of disengaging type interlock external member on described two transmission shafts of described array knife tool displacement drivers in regular turn.
For achieving the above object, another technical scheme of the present invention's employing is:
A kind of control module that can adjust positions of slitting knives automatically is characterized in that, comprises:
One Control Component comprises data input, drive controlling, stroke detecting and operation processing function;
Array knife tool displacement drivers, line spread and connect a corresponding slitting knife respectively in regular turn; And
One actuating unit is to be controlled by described Control Component and collocation stroke detecting, is used for driving described array knife tool displacement drivers and drives its corresponding slitting knife respectively and be moved to assigned address in regular turn;
Described actuating unit comprises a transmission shaft, a guide rod and several driven units, described transmission shaft and guide rod be arranged in parallel, and described several driven units respectively comprise one and can be driven and can connect the CD-ROM drive motor of actuated element along the actuated element of transmission shaft displacement and;
Described array knife tool displacement drivers is spaced in regular turn on transmission shaft and guide rod, described array knife tool displacement drivers respectively comprises a cover connected components and a cutter pusher shoe, described transmission shaft is provided described cover connected components and guide rod is parallel wears wherein, and provide one group of driven unit group to establish on it respectively, described cutter pusher shoe is located at the driven unit below;
Described Control Component comprises a controller and several stroke measurment members, described controller is electrically connected described driven unit, described several stroke measurment members are separately positioned on the described cover connected components, and be electrically connected described controller, whether make described controller can control described array driven unit respectively starts along the transmission shaft displacement, and the displacement stroke data that is provided according to described stroke measurment member, and determine described array knife tool displacement drivers in regular turn along opportunity that described transmission shaft moves and stops.
Compared with prior art, the beneficial effect that the present invention has is: the present invention relies on the aforementioned control module design that can adjust positions of slitting knives automatically, when it is applied to mould (rubber) film cutting cutter adjustment positions of slitting knives, can set per two adjacent slitting knife spacings for the operator, and per two adjacent slitting knife spacings not necessarily will equate, after setting is finished, can cooperate stroke detecting means with the robotization control device by Control Component, drive each group knife tool displacement drivers earlier and drive each slitting knife position displacement in the same direction, order is in regular turn respectively organized and is located after knife tool displacement drivers drives relative slitting knife arrival precalculated position again, so, allow the operator can treat moulding (rubber) film area and doing suitable planning of itemize cutting, mould (rubber) film condensation material with abundant use, avoid unnecessary waste of material.
Description of drawings
Fig. 1 is the side-looking floor map that control module first preferred embodiment that the present invention can adjust positions of slitting knives automatically is applied to the driving shaft top of slitting knife;
Fig. 2 is the schematic top plan view that control module first preferred embodiment that the present invention can adjust positions of slitting knives automatically is applied to the driving shaft top of slitting knife;
Fig. 3 is that the present invention can adjust the user mode reference diagram () of control module first preferred embodiment drive slitting knife of positions of slitting knives at the driving shaft top offset automatically;
Fig. 4 is that the present invention can adjust the user mode reference diagram (two) of control module first preferred embodiment drive slitting knife of positions of slitting knives at the driving shaft top offset automatically;
Fig. 5 is the side-looking floor map that control module second preferred embodiment that the present invention can adjust positions of slitting knives automatically is applied to the driving shaft top of slitting knife;
Fig. 6 is the schematic top plan view that control module second preferred embodiment that the present invention can adjust positions of slitting knives automatically is applied to the driving shaft top of slitting knife;
Fig. 7 is that the present invention can adjust the user mode reference diagram () of control module second preferred embodiment drive slitting knife of positions of slitting knives at the driving shaft top offset automatically;
Fig. 8 is that the present invention can adjust the user mode reference diagram (two) of control module second preferred embodiment drive slitting knife of positions of slitting knives at the driving shaft top offset automatically.
Description of reference numerals: 1-driving shaft; The 2-slitting knife; The 3-actuating unit; The 3A-transmission shaft; The 3B-guide rod; The 3C-driven unit; The 3D-CD-ROM drive motor; The 4-knife tool displacement drivers; 40-disengaging type transmission external member; 40A-overlaps connected components; 41-cutter pusher shoe; The 5-controller.
Embodiment
The control module that can adjust positions of slitting knives automatically of the present invention is to be used for being provided with in the film cutting cutter, provide robotization to adjust the function of position to several slitting knives 2 on the driving shaft 1 of described cutting cutter, the composition of described control module mainly comprises a Control Component, array knife tool displacement drivers 4 and an actuating unit 3, its concrete possible configuration can be designed to following several preferred embodiments, wherein:
As shown in Figure 1 and Figure 2, be to disclose the user mode figure that first preferred embodiment that the present invention can adjust the control module of positions of slitting knives automatically is applied to have in the film cutting cutter driving shaft 1 top of several slitting knives 2, by seeing among the figure, described control module first preferred embodiment that can adjust positions of slitting knives automatically comprises an actuating unit 3, array knife tool displacement drivers 4 and a Control Component, wherein:
Described actuating unit 3 comprises two transmission shaft 3A and two driven unit 3C, described two driven unit 3C respectively comprise a CD-ROM drive motor 3D, described two transmission shaft 3A be arranged in parallel, described two CD-ROM drive motor 3D connect corresponding transmission shaft 3A one end with its axle respectively, be used for driving respectively described two transmission shaft 3A rotation, driven unit 3C among described two driven unit 3C is as just changeing driven unit, be used for driving transmission shaft 3A and be rotated in the forward function, another driven unit 3C then as reversing driven unit, is used for driving transmission shaft 3A retrograde rotation function.
Described array knife tool displacement drivers 4 respectively comprises one group of disengaging type transmission external member 40 and one group of cutter pusher shoe 41, described cutter pusher shoe 41 is located at described disengaging type transmission external member 40 belows, described array cutter driving device 4 is to be spaced in regular turn, and each provides the transmission shaft 3A of described two driven unit 3C to wear wherein respectively with its disengaging type transmission external member 40, transmission shaft 3A in the described disengaging type transmission external member 40 among described two the transmission shaft 3A of alternative controlled connection and being driven, and make another transmission shaft 3A dally therein, or with described two transmission shaft 3A interlock and be clutch state such as idle running not, described cutter pusher shoe 41 is used for connecting and is located at a corresponding slitting knife 2 on the described driving shaft 1.
Described Control Component comprises a controller 5 and several stroke measurment members, described controller 5 comprises data input, drive controlling and operation processing function, described controller 5 and be electrically connected described disengaging type transmission external member 40 and described two driven unit 3C, described several stroke measurment members are separately positioned on the described disengaging type transmission external member 40, and be electrically connected described controller 5, be used for obtaining the displacement stroke data transmission of knife tool displacement drivers 4 on described two transmission shaft 3A to controller 5, described stroke measurment member can be selected rotary encoder for use, be used for obtaining the stroke data of each disengaging type transmission external member 40 straight-line displacement on described two transmission shaft 3A, described controller 5 is just reversed one of in can described two the CD-ROM drive motor 3D of selective actuation, and be located at the displacement stroke data that the stroke measurment member on the described array knife tool displacement drivers 4 is provided according to dividing, and determine the clutch opportunity of disengaging type transmission external member 40 on described two transmission shaft 3A of described array knife tool displacement drivers 4 in regular turn.
Before take off the control module that can adjust positions of slitting knives automatically first preferred embodiment when being applied to the film cutting cutter; the operator can import the distance values of 2 of per two adjacent slitting knives in regular turn in controller 5; afterwards; under the state that cutting cutter is shut down; just changeing or is reversing the transmission shaft 3A that CD-ROM drive motor 3D among the driven unit 3C drives its connection and rotating by controller 5 order is described; as Fig. 3; shown in Figure 4; wherein be to make each group knife tool displacement drivers 4 drive the simultaneous displacement in the same direction of pairing slitting knife 2; waiting to be located at first group of stroke measurment member on the knife tool displacement drivers 4 detects when arriving desired location; automatically break away from the interlock state of described rotating drive shafts 3A in advance stop to locate; pairing slitting knife 2 is located on driving shaft 1; afterwards; being located at second group of stroke measurment member on the knife tool displacement drivers 4 detects when arriving desired location; automatically break away from described rotating drive shafts 3A interlock state more in advance and stop to locate; pairing slitting knife 2 is located on driving shaft 1; order carries out according to this; when the stroke measurment member detecting on being located at last group knife tool displacement drivers 4 arrives desired location; automatically disengaging is spirally connected state with described rotating drive shafts 3A and stops the location in advance; controller 5 makes the CD-ROM drive motor 3D transmission shaft 3A that stops the rotation again; so utilize and drive all knife tool displacement drivers 4 displacements earlier; make described knife tool displacement drivers 4 be moved to automatic locator meams behind the precalculated position in regular turn again; make its purpose that can reach each adjacent slitting knife 2 spacing of indivedual controls, and the situation of knock against each other takes place can effectively avoid described knife tool displacement drivers 4 displacements the time.
As Fig. 5, shown in Figure 6, be to disclose the user mode figure that second preferred embodiment that the present invention can adjust the control module of positions of slitting knives automatically is applied to have in the film cutting cutter driving shaft 1 top of several slitting knives 2, described control module second preferred embodiment that can adjust positions of slitting knives automatically comprises an actuating unit 3, array knife tool displacement drivers 4 and a Control Component, wherein:
Described actuating unit 3 comprises: a transmission shaft 3A, a guide rod 3B and several driven units 3C, described transmission shaft 3A and described guide rod 3B are set in parallel in described driving shaft 1 top, and described several driven units 3C respectively comprises an engaged transmission axle 3A and can connect the CD-ROM drive motor of actuated element along the actuated element and of transmission shaft 3A displacement.
Described array knife tool displacement drivers 4 is to be spaced in regular turn on transmission shaft 3A and guide rod 3B, described array knife tool displacement drivers 4 respectively comprises a cover connected components 40A and a cutter pusher shoe 41, described cover connected components 40A provides described transmission shaft 3A and guide rod 3B is parallel wears wherein, and provide one group of driven unit 3C group to establish on it respectively, described cutter pusher shoe 41 is located at driven unit 3C below, is used for connecting corresponding slitting knife 2.
Described Control Component comprises a controller 5 and several stroke measurment members, described controller 5 comprises data input, drive controlling and operation processing function, described controller 5 and be electrically connected described driven unit 3C, described several stroke measurment members are separately positioned on the described cover connected components, and be electrically connected described controller 5, be used for obtaining the displacement stroke data transmission of knife tool displacement drivers 4 on described transmission shaft 3A to controller 5, described stroke measurment member can be selected rotary encoder for use, be used for obtaining each driven unit 3C respectively along the torque data of transmission shaft 3A displacement, and then be scaled the stroke data of knife tool displacement drivers 4 straight-line displacements with the calculation process means by controller 5, described controller can be controlled described array driven unit 3C respectively and whether start the displacement along transmission shaft 3A, and the displacement stroke data that is provided according to described stroke measurment member, and determine described array knife tool displacement drivers 4 in regular turn along opportunity that described transmission shaft 3A moves and stops.
When aforementioned control module second preferred embodiment that can adjust positions of slitting knives automatically is applied to mould sheet rubber cutting cutter adjustment positions of slitting knives; the operator can import the distance values of 2 of per two adjacent slitting knives in regular turn in controller 5; afterwards; under the state that cutting cutter is shut down; as Fig. 7; shown in Figure 8; drive its knife tool displacement drivers 4 respectively by each group driven unit 3C of controller 5 orders and drive the simultaneous displacement in the same direction of pairing slitting knife 2 along transmission shaft 3A; waiting to be located at first group of stroke measurment member on the knife tool displacement drivers 4 detects when arriving desired location; automatically stop to be provided with on it driven unit 3C and in described transmission shaft 3A location; pairing slitting knife 2 is located on driving shaft 1; afterwards; being located at second group of stroke measurment member on the knife tool displacement drivers 4 detects when arriving desired location; automatically stop driven unit 3C on it again and in described transmission shaft 3A location; pairing slitting knife 2 is located on driving shaft 1; order carries out according to this; when the stroke measurment member detecting that is located at last group knife tool displacement drivers 4 arrives desired location; automatically stop its driven unit 3C and till described transmission shaft 3A location; so utilize and drive all knife tool displacement drivers 4 displacements earlier; automatically stop locator meams after making described knife tool displacement drivers 4 be moved to the precalculated position in regular turn again; make its purpose that can reach each adjacent two slitting knife 2 spacing of indivedual controls, and the situation of knock against each other takes place can effectively avoid described knife tool displacement drivers 4 displacements the time.
Before relying on, the present invention takes off several preferred embodiment designs of control module that to adjust positions of slitting knives automatically, when it is applied to mould the operation of sheet rubber cutting cutter adjustment positions of slitting knives, really can reach the function of per two the adjacent slitting knife spacings of automatic adjustment, and two adjacent slitting knife spacings are not necessarily equated, allow the operator can treat moulding the sheet rubber area and doing suitable planning of itemize cutting, mould the sheet rubber material with abundant use, avoid unnecessary waste of material, therefore, the present invention really can provide a control module design that has the automatic adjustment positions of slitting knives of industrial utilization.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (4)
1. the control module that can adjust positions of slitting knives automatically is characterized in that, comprises:
One Control Component comprises data input, drive controlling, stroke detecting and operation processing function;
Array knife tool displacement drivers, line spread and connect a corresponding slitting knife respectively in regular turn; And
One actuating unit is to be controlled by described Control Component and collocation stroke detecting, is used for driving described array knife tool displacement drivers and drives its corresponding slitting knife respectively and be moved to assigned address in regular turn;
Described actuating unit comprises two transmission shafts and two driven units, described two transmission shafts be arranged in parallel, described two driven units respectively comprise a CD-ROM drive motor, described two driven units connect a corresponding transmission shaft with its CD-ROM drive motor respectively, and a transmission shaft that is used for driving in described two transmission shafts is rotated in the forward and drives another transmission shaft retrograde rotation;
Described array knife tool displacement drivers respectively comprises one group of disengaging type transmission external member and one group of cutter pusher shoe, described cutter pusher shoe is located at disengaging type transmission external member below, described array cutter driving device each provide the transmission shaft of described two driven units to wear wherein respectively with its disengaging type transmission external member, described disengaging type transmission external member in can described two transmission shafts of controlled connection a transmission shaft and driven, and make another transmission shaft dally therein, or controlled and described two transmission shafts of disengaging type transmission external member interlock and be the idle rotation on-off state not;
Described Control Component comprises a controller and several stroke measurment members, described controller is electrically connected described disengaging type interlock external member and described two driven units, described several stroke measurment members are separately positioned on the described disengaging type interlock external member, and be electrically connected described controller, one of make in described two CD-ROM drive motor of described controller selectively actuatable rotation, and be located at the displacement stroke data that the stroke measurment member on the described array knife tool displacement drivers is provided according to dividing, and determine the clutch opportunity of disengaging type interlock external member on described two transmission shafts of described array knife tool displacement drivers in regular turn.
2. the control module that can adjust positions of slitting knives automatically according to claim 1, it is characterized in that: described stroke measurment member is a rotary encoder, is used for obtaining the stroke data of each disengaging type transmission external member straight-line displacement on described two transmission shafts and being sent to controller.
3. the control module that can adjust positions of slitting knives automatically is characterized in that, comprises:
One Control Component comprises data input, drive controlling, stroke detecting and operation processing function;
Array knife tool displacement drivers, line spread and connect a corresponding slitting knife respectively in regular turn; And
One actuating unit is to be controlled by described Control Component and collocation stroke detecting, is used for driving described array knife tool displacement drivers and drives its corresponding slitting knife respectively and be moved to assigned address in regular turn;
Described actuating unit comprises a transmission shaft, a guide rod and several driven units, described transmission shaft and guide rod be arranged in parallel, and described several driven units respectively comprise one and can be driven and can connect the CD-ROM drive motor of actuated element along the actuated element of transmission shaft displacement and;
Described array knife tool displacement drivers is spaced in regular turn on transmission shaft and guide rod, described array knife tool displacement drivers respectively comprises a cover connected components and a cutter pusher shoe, described transmission shaft is provided described cover connected components and guide rod is parallel wears wherein, and provide one group of driven unit group to establish on it respectively, described cutter pusher shoe is located at the driven unit below;
Described Control Component comprises a controller and several stroke measurment members, described controller is electrically connected described driven unit, described several stroke measurment members are separately positioned on the described cover connected components, and be electrically connected described controller, whether make described controller can control described array driven unit respectively starts along the transmission shaft displacement, and the displacement stroke data that is provided according to described stroke measurment member, and determine described array knife tool displacement drivers in regular turn along opportunity that described transmission shaft moves and stops.
4. the control module that can adjust positions of slitting knives automatically according to claim 3 is characterized in that: described stroke measurment member is a rotary encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101373501A CN101872186B (en) | 2009-04-24 | 2009-04-24 | Control module capable of automatically adjusting positions of slitting knives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101373501A CN101872186B (en) | 2009-04-24 | 2009-04-24 | Control module capable of automatically adjusting positions of slitting knives |
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| Publication Number | Publication Date |
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| CN101872186A CN101872186A (en) | 2010-10-27 |
| CN101872186B true CN101872186B (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101373501A Expired - Fee Related CN101872186B (en) | 2009-04-24 | 2009-04-24 | Control module capable of automatically adjusting positions of slitting knives |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271900A (en) * | 2019-06-26 | 2019-09-24 | 魏新文 | A kind of battery pole piece production high speed cutting apparatus |
| CN113493141A (en) * | 2020-04-07 | 2021-10-12 | 阳程科技股份有限公司 | Wheel knife cutting machine with slitting and slicing functions |
| CN113068522B (en) * | 2021-04-07 | 2022-03-08 | 湖南农业大学 | Cutting device with adjustable moving blade interval |
| CN114506722A (en) * | 2022-02-25 | 2022-05-17 | 苏州安洁科技股份有限公司 | Gas diffusion layer divides strip to cut rolling structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178606Y (en) * | 1993-11-05 | 1994-10-05 | 添圣机械有限公司 | Sitting machine with synchronous automatic adjusting tool |
| CN2199859Y (en) * | 1994-07-02 | 1995-06-07 | 盐城市工具厂 | Slitter head |
| CN1180009A (en) * | 1996-07-30 | 1998-04-29 | 日矿金属株式会社 | Apparatus for cutting masking tape |
-
2009
- 2009-04-24 CN CN2009101373501A patent/CN101872186B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178606Y (en) * | 1993-11-05 | 1994-10-05 | 添圣机械有限公司 | Sitting machine with synchronous automatic adjusting tool |
| CN2199859Y (en) * | 1994-07-02 | 1995-06-07 | 盐城市工具厂 | Slitter head |
| CN1180009A (en) * | 1996-07-30 | 1998-04-29 | 日矿金属株式会社 | Apparatus for cutting masking tape |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平10-133731A 1998.05.22 |
| JP特表2005-539331A 2005.12.22 |
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