JP2002120226A - Method for drawing out core of waste of pressure- sensitive adhesive tape and tool for drawing out core for it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for efficiently separating a tape layer and a core pipe of a pressure-sensitive adhesive tape in a short time. SOLUTION: A heater (4) in which an electric heater (7) is buried is inserted into a paper-made core pipe (2) of wastes (T1) and (T2) of the pressure-sensitive adhesive tape in such a manner as to be capable of being freely pulled out and is heated to melt the adhesive (3) on both faces of the core pipe (2) and the tape layer (1) and the core pipe (2) is pushed out from the tape layer (1) by means of the heater (4).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for coring a waste adhesive tape and a coring tool therefor.

[0002]

2. Description of the Related Art In general, various kinds of adhesive tapes commonly referred to as cellophane tape, vinyl tape, gum tape, first aid tape and the like are wound up once on a wide paper core tube to form a so-called adhesive tape roll. After that, it is sliced into a large number of narrow product sizes by a tape cutting machine, but it is necessary to rotate by gripping the adhesive tape roll,
At the left and right ears, a defective waste product (T1) in which the core tube (2) projects from the tape layer (1) as shown in FIGS.
And the adhesive tape waste product (T1)
In order to regenerate the tape, the foreign materials of the tape layer (1) and the core tube (2) must be separated.

[0003]

However, the above-mentioned separation work is currently mainly performed manually by a social welfare facility, and the base end of the tape layer (1) in the waste adhesive tape (T1) is particularly thin. Via double-sided adhesive (3)
Since it is firmly bonded and integrated to the core tube (2), it is extremely troublesome and troublesome to completely separate the core tube (2), and there is a problem that mass processing cannot be performed efficiently in a short time.

[0004] Such a problem is caused by the waste of the above-mentioned adhesive tape (T
In addition to 1), the remaining tape layer (1) as shown in FIGS. 25 and 26 is discharged with the tape layer (1) remaining attached to the core tube (2), assuming that the tape layer (1) has been used by a consumer such as a general household or business establishment. The same can be said of waste commercial adhesive tapes (T2). In the case of this adhesive tape discarded product (T2), the core tube (2) does not protrude from the tape layer (1).

[0005]

DISCLOSURE OF THE INVENTION The present invention is intended to drastically solve such a problem, and as a method of core-adhering an adhesive tape, a heater in which an electric heater is embedded is used to dispose of the adhesive tape. It is characterized in that the core pipe and the tape layer are melted by double-sided adhesive by being inserted and removed freely into the paper core pipe of the product and heated, and the heater is used to push out the core pipe from the tape layer,

[0006] Also, as a coring tool used for carrying out the above-mentioned method, there is provided a substantially shell-shaped heater made of a metal material having high thermal conductivity such as stainless steel, clad steel, light alloy, and the like. And a heating temperature controller connected and wired to the electric heater,

The straight cylinder surface of the above heater is at least as short as the band width of the tape layer in the adhesive tape discarded product, and the paper tape of the adhesive tape discarded product is formed from the root of the straight cylinder surface. While pushing out the punching flange that can be locked to the core tube integrally,

[0008] The invention is characterized in that the heater is set so that it can be freely inserted and removed from a tapered conical surface into a core pipe of a discarded adhesive tape.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the drawings. FIGS. 1 to 5 show a tool (A) for cored discarded adhesive tape (T1), and (4) shows stainless steel. Starting from steel (SUS304), clad steel of iron and stainless steel, clad steel of aluminum and stainless steel, light alloys, and other metal materials with high thermal conductivity, the target adhesive tape discarded product (T1) is made of paper. This is a substantially shell-shaped heater having a constant length (L) longer than the core tube (2).

[0010] The length (L1) of the straight cylindrical surface (4a) forming the shell-type heater (4) is at least as short as the band width of the tape layer (1) in the adhesive tape discarded product (T1). The outer diameter (D1) of the straight cylinder surface (4a), which is almost equal to (W), is the inner diameter (S) of the core tube (2).
Each of which is approximately equal in size to its heater (4)
From tapered conical surface (4b) to waste adhesive tape (T1)
To the core tube (2).

In this case, the shell-shaped tapered conical surface (4b)
Exerts an automatic centering action on the core tube (2) of the waste adhesive tape (T1). The heater (4)
On the entire surface or the straight cylindrical surface (4a),
A resin film of Teflon (trade name) may be coated.

The outer diameter of the heater (4) from the base of the straight cylinder surface (4a) to the core tube (2) of the target discarded adhesive tape (T1) ( D
The punching flange (5) of 2) is integrally extended. In the illustrated example, the core tube punching flange (5) is formed in a single disk shape, but is formed in a plurality of blade piece types projecting radially symmetrically from the root of the cylinder surface (4a). You may.

(6) The straight cylinder surface (4a)
Is a relatively large heater embedding hole drilled along the center line of the heater (4) from the root thereof at a constant depth substantially corresponding to the length (L1) of the heater, and embedded in the inside. The heater (4) itself is heated by a cartridge-type electric heater (7).

The heating temperature is about 90, which is a numerical value necessary for dissolving the double-sided adhesive (3) between the core tube (2) and the tape layer (1) in various kinds of pressure-sensitive adhesive tape waste (T1).
C. to 300.degree. C., and within this numerical range, it is adjusted according to the type and size of the target adhesive tape waste (T1).

(8) A relatively small air vent hole, which also communicates with the heater embedding hole (6) toward the tip of the tapered conical surface (4b) along the center line of the heater (4). And releases the thermally expanded air. (9)
Is a sensor embedding hole formed adjacent to the heater embedding hole (6) and around the heater (4);
It also has a constant depth which approximately corresponds to the straight cylinder surface (4a).

Further, (10) is the electric heater (7).
A non-contact temperature sensor such as a thermistor or thermopile (1)
1) is embedded in the sensor embedding hole (9) of the heater (4), and the heating temperature of the heater (4) is appropriately set within the above numerical range by the adjustment volume (12). You can do it.

That is, as is apparent from the electric circuit diagram of FIG. 6, when the heating temperature of the heater (4) detected by the temperature sensor (11) is still lower than the set temperature,
While the heating temperature is raised by energizing the electric heater (7), when the heating temperature is higher than the set temperature, the energization of the electric heater (7) is cut off.
While melting the double-sided adhesive (3) between the core tube (2) and the tape layer (1) in the waste adhesive tape (T1), prevent the core tube (2) and the tape layer (1) from burning. It is becoming. (13) is a power source (AC100
V) and (14) show a drive circuit, (15) shows a comparator, and (16) shows a relay.

Such a core removing tool (A) is detachably attached to an advance / retreat operating source (18) such as an air cylinder or an electric cylinder via a separate attaching jig (17), and is used with an adhesive tape. The waste product (T1) is subjected to the centering action.

The mounting jig (17) has a fixed outer diameter (D3) smaller than the core tube punching flange (5) of the heater (4) as shown in FIGS. Goods (T
A cylindrical shape having a certain length (L2) longer than the band width (W) of the tape layer (1) in 1) is made of a suitable metal material, and the tip of the cylindrical shape is formed by the heater ( The heater (4) is fitted and fixed to the root of the straight cylindrical surface (4a) in 4) so as to extend the so-called heater (4) integrally.

Reference numeral (19) denotes a screw hole provided at the base of the mounting jig (17).
8) It is detachably fastened to the piston rod (20). (21) is a fixing bolt for the fastening portion. However, the attachment jig (17) of the heater (4) can be detachably attached to the piston rod (20) of the advance / retreat operating source (18) by a flange joining means or other means instead of such a screw fastening means. Can be attached to. In addition, (22) is a wiring port formed inside the mounting jig (17).

FIGS. 7 to 12 show a method of coring the adhesive tape discarded product (T1) by using the above-mentioned tool (A). FIG. A plurality of sets of conveyor belts supported side by side on the work floor for automatic intermittent transfer to the work floor, all of which are endless made of aluminum alloy and have a large number of core tube receiving holes (24) is aperture-distributed while maintaining a constant interval pitch (P).

Needless to say, the plural sets of adhesive tape waste transport belts (23) are driven to rotate synchronously. Also, each core tube receiving hole (24)
The inner diameter (S1) is slightly larger than the outer diameter (D4) of the core tube (2) in the waste adhesive tape (T1).
After completion of core removal, which will be described later, the core tube (2) falls off from the core tube receiving hole (24).

(25) A relatively long collection of the core tube supported in a state of traversing a plurality of sets of lower positions at the end point of the operation of transporting the waste adhesive tape (T1) by the transport belt (23). It is a belt, and conveys the core tube (2) of the waste adhesive tape (T1) in a direction (X) substantially orthogonal to the conveyor belt (23). This collection belt (2
5) is not limited to an aluminum alloy, and can be made endless from rubber, cloth, or the like.

(26) Each of the above-mentioned conveyance belts (23) for adhesive tape waste and a long core pipe collection belt (2).
5) A plurality of sets of core tube drop chutes interposed between the upper and lower parts, and the core pipe of the discarded adhesive tape (T1) dropped from the core tube receiving hole (24) of each conveyor belt (23). (2) is inductively transferred to the collection belt (25).

(27) is a core pipe collecting bucket facing the end of the conveying operation of the collecting belt (25).
Reference numeral 8) denotes a tape layer collection bucket facing the end point of the conveying operation of each conveying belt (23), and it is preferable that each of the collecting buckets is provided with a free wheel (29) (30) so that the work floor is easily moved. In addition, the collection bucket for tape layer (2
8) may of course be installed as one large size common to a plurality of sets of the transport belt (23).

The centering tool (A) attached to the piston rod (20) of the advance / retreat operating source (18) is, as is apparent from FIG. 7, a plurality of sets corresponding to each transport belt (23). The transport belt (23) is suspended downwardly to a position directly above the transport operation end point, and is inserted and set into the core tube receiving hole (24) of the transport belt (23) every time the transport belt (23) stops once. The reciprocating (up and down) operation is performed correctly toward the core tube (2) of the adhesive tape waste (T1).

That is, in performing the centering operation of the waste adhesive tape (T1), an operator operates the transport belt (2).
At the starting point of the transfer operation of 3), the core tube receiving hole (2)
4) Insert the core tube (2) of the discarded adhesive tape (T1) as shown in FIG. Since the core pipe (2) of the adhesive tape waste product (T1) discharged from the production factory as a defective odd-size product protrudes from the tape layer (1) as shown in FIGS. ) Can be securely inserted and supported in the core tube receiving hole (24).

While the waste adhesive tape (T1) has once stopped at the end of the transport operation of the transport belt (23), the advance / retreat operating source (18) is connected to the core tube (2) of the waste adhesive tape (T1). Then, the heater (4) of the coring tool (A) is inserted into the core tube (2) from above as shown in FIG. At this time, since the heater (4) is shaped like a shell, it is maintained in a self-aligned insertion state into the core tube (2).

By the heating action of the heater (4), the double-sided adhesive (3) between the core tube (2) and the tape layer (1) in the adhesive tape discarded product (T1) is released. Melt it. The time required is a waste of adhesive tape (T1)
It takes about several seconds, in combination with the heating temperature adjusted according to the type, size, etc.

After the double-sided adhesive (3) is melted, the core removing tool (A) is further advanced (downward) to operate as shown in FIG.
2, the core tube (2) of the adhesive tape discarded product (T1) by the core tube punching flange (5) of the heater (4).
Is punched out from the tape layer (1), and then the core removing tool (A) is removed from the core tube receiving hole (2) of the conveyor belt (23).
Retreat (up) and return from 4).

Then, the core tube (2) pushed out of the tape layer (1) falls off the core tube receiving hole (24) of the conveyor belt (23) by itself, as shown in FIGS. Through the drop chute (26) to the core pipe collection belt (25)
To the collection bucket (27) by the collection belt (25), and the tape layer (1) of the adhesive tape waste product (T1) is transferred to the transport belt (2).
From 3), it is dropped and collected into the inside of the tape layer collecting bucket (28), and the foreign material of the tape layer (1) and the core tube (2) can be automatically and efficiently separated. It is.

In particular, in the core removing method shown in FIGS. 7 to 12, one worker is in charge of a plurality of sets of adhesive tape waste transport belts (23), and each time they are stopped, the transport operation is performed. Insert and set the core pipe (2) of the adhesive tape discarded product (T1) from the starting point into the core pipe receiving hole (24) of the conveyor belt (23), and set a plurality of the adhesive tape discarded articles (T1) in a parallel state. Is temporarily stopped at the end point of the conveying operation of the conveying belt (23), and is simultaneously pushed out simultaneously by a plurality of sets of coring tools (A) corresponding to the conveying belt (23) to remove the tape from the tape layer (1). Since the separation is performed, the effect of mass processing in a short time is remarkably excellent.

7 to 12, the core pipe receiving hole (24) of the adhesive tape waste transport belt (23) is provided with the core pipe (2) of the target adhesive tape waste (T1). An opening is formed in a size almost corresponding to
The core tube (2) is inserted and set directly in the core tube receiving hole (24). The hollow tray type shown in FIG. 13 according to the size of the discarded adhesive tape (T1) is set. Various adapters (31) are prepared and prepared, and the tapered conical legs (31a) of the adapter (31) can be freely inserted into and removed from the core tube receiving hole (24) of the conveyor belt (23) by means of screw fastening or the like. Plug into and use
By inserting and setting the core pipe (2) of the adhesive tape discarded product (T1) indirectly inside the core pipe, the core pipe (2) having an excessively small diameter especially than the core pipe receiving hole (24) projects. It may be set so that the core removal of the waste adhesive tape (T1) can be performed without any trouble.

A hollow tapered conical adapter (32) as shown in FIG. 14 is prepared and prepared in advance, and the adapter (32) is also provided with the core tube receiving hole (2) of the conveyor belt (23).
4) The core material of the used adhesive tape discarded product (T2) in which the core tube (2) does not protrude from the tape layer (1) as shown in FIGS. Can be performed in the same manner as in

The adapter (32) is inserted into the core tube (2) of the adhesive tape discarded product (T2) supported by the conveyor belt (23), and the heater (A) of the core removal tool (A) is also turned on. 4) is inserted and heated to melt the double-sided adhesive (3) between the tape layer (1) and the core tube (2), and then the core tube (2) is removed from the tape layer (1).
It is pushed out from.

In any case, the outer diameter (D1) of the heater (4) in the coring tool (A) is equal to the inner diameter of the core tube (2) in the target discarded adhesive tape (T1) (T2). (S) is formed almost equally, but various kinds of cylindrical spacers (33) as shown in FIG. 15 are prepared and prepared according to the size of the discarded adhesive tape (T1) (T2). With the straight cylinder surface (4) of the heater (4).
The heater (4) with the spacer (33) is inserted into the core tube (2) of the discarded adhesive tape (T1) (T2) by inserting and removing the heater (4) with a screw fastening means or the like. By using the same, it is possible to remove the core of the discarded adhesive tape (T1) (T2) provided with the core tube (2) having an excessively large diameter than the heater (4), without any trouble.

In this case, the spacer (33) is also made of the same metal material having high thermal conductivity as the heater (4), and the adhesive tape discarded product (T1) (T2) is formed from the base thereof.
Large diameter punching flange (3
It goes without saying that 3a) is integrally extended.

Next, FIGS. 16 to 18 show another centering method, in which a plurality of core tube receiving holes (2) are inserted into a support (34) such as a table fixed to a work floor.
The core pipe (2) of the adhesive tape discarded product (T1) is inserted from above into the core pipe receiving hole (24) and set. 34) A plurality of coring tools (A) facing the core tube (2) of the adhesive tape discarded product (T1) are drooped from a support base (35) which can be freely moved forward and backward (elevated and lowered). By completely inserting and removing the heater (4) of the core removal tool (A) into the core pipe (2) and heating the core pipe (2), the core pipe (2) and the tape layer in the adhesive tape discarded product (T1) are heated. The double-sided adhesive (3) with (1) is melted, and the core tube (2) is pushed out of the tape layer (1) by the core tube punching flange (5) of the heater (4). .

Even in such a method, the adhesive tape discarded product (T
1) can be simultaneously processed in a large amount, and the pushed-out core tube (2) falls out of the core tube receiving hole (24) of the support base (34) and is collected through the drop chute (26). Collected in the bucket (27). The tape layer (1) of the adhesive tape discarded product (T1) separated from the core tube (2) may be dropped from the support table (34) to a tape layer collection bucket (not shown) and collected.

In this case, the support base (34) in which the openings of the core tube receiving holes (24) are distributed is installed and fixed in an inclined state, and is separated from the core tube (2) of the discarded adhesive tape (T1). The tape layer (1) may naturally fall into the tape layer recovery bucket.

On the other hand, the support base (35) to which the coring tool (A) was attached was maintained in a fixed state, and the core pipe (2) of the discarded adhesive tape (T1) was inserted and set to this. The support table (34) may be moved forward and backward (elevated and lowered) by an air cylinder, an electric cylinder or the like, and it is also possible to relatively move both of the support tables (34) and (35) facing each other.

FIGS. 19 to 22 show still another coring method. In this case, a hand-held handle (36) is attached to a mounting jig (17) of a heater (4) in a coring tool (A).
Is attached so that it can be used by workers. In this case, the heating temperature controller (1) of the heater (4)
0) is attached to and integrated with the hand-held handle (36).

Then, a plurality of core tube receiving holes (2) are inserted into a fixed table (37) such as a table installed on the work floor.
4) are distributed in the openings, and the core tube receiving holes (2)
4) Insert and set the core tube (2) of the waste adhesive tape (T1) into the core tube (2), and insert the heater (4) of the core removal tool (A) into the core tube (2) to heat. Thereby, the double-sided adhesive (3) between the core tube (2) and the tape layer (1) in the waste adhesive tape (T1) is melted, and the core tube is pressed by the punching flange (5) of the heater (4). (2) is pushed out from the tape layer (1).

The extruded adhesive tape discarded product (T
The core pipe (2) of (1) is also dropped from the core pipe receiving hole (24) of the fixing base (37) and collected in a core pipe bucket (not shown). Further, the tape layer (1) remaining on the fixing table (37) may be dropped into a tape layer bucket.

In addition, even in the core removing method shown in FIGS. 16 to 22, the adapters (31) and (3) shown in FIGS.
It goes without saying that 2) and the spacer (33) can be used. Since other configurations are substantially the same as those in FIGS. 1 to 12, only the reference numerals corresponding to FIGS. 1 to 12 are entered in FIGS. 16 to 22, and the detailed description thereof is omitted.

[0046]

As described above, in the method for cored waste adhesive tapes (T1) and (T2) according to the present invention, the heater (4) in which the electric heater (7) is embedded is replaced with the waste adhesive tape. (T1) The double-sided adhesive (3) between the core tube (2) and the tape layer (1) is melted by being inserted into and removed from the paper core tube (2) of (T2), and then heated. Since the core tube (2) is pushed out of the tape layer (1) by the heater (4), there is an effect that the problem of the prior art described at the beginning can be surely solved.

That is, by the heating action of the heater (4) in which the electric heater (7) is embedded, the core tube (2) and the tape layer (1) in the adhesive tape discarded products (T1) and (T2).
The adhesive (3) can be quickly melted, and the core tube (2) is pushed out of the tape layer (1) by the heater (4) itself. The cores of the waste products (T1) and (T2) can be removed.

In particular, if the core removing method according to claim 2 or 3 is adopted, the core pipe (2) and the tape layer (1) of the large amount of discarded adhesive tapes (T1) and (T2) are required. It can be efficiently punched out automatically and has excellent separation workability. If the centering method according to the fourth aspect is adopted, the centering operation can be easily performed even by a human in a social welfare facility.

On the other hand, as the coring tool (A) for carrying out the above-mentioned method, according to the configuration of claim 5, since the heater (4) is substantially shell-shaped, its tapered conical surface (4) is used.
b) can be smoothly inserted into the core pipe (2) of the adhesive tape discarded product (T1) (T2), and from the straight cylinder surface (4a) under its self-aligned condition. By the heating action on the adhesive tape waste (T1) (T2),
Double-sided adhesive (3) between the core tube (2) and the tape layer (1)
Is surely melted, and for this, the adjustment of the heating temperature by the heating temperature controller (10) also works effectively.

In addition, from the root of the straight cylindrical surface (4a) of the heater (4), a large diameter that can be engaged with the core tube (2) of the discarded adhesive tape (T1) (T2). Since the punching flange (5) is extended, the core tube (2) can be smoothly punched out and separated from the tape layer (1).

[Brief description of the drawings]

FIG. 1 is a front view of a coring tool according to the present invention.

FIG. 2 is a front view illustrating the heater and the mounting jig of FIG. 1 in an extracted manner.

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a sectional view taken along line 4-4 of FIG. 3;

FIG. 5 is a sectional view taken along line 5-5 in FIG. 2;

FIG. 6 is an electric circuit diagram of a core removing tool.

FIG. 7 is a plan view showing a centering method using the centering tool of FIG. 1;

FIG. 8 is an enlarged plan view showing a part of FIG. 7;

FIG. 9 is a sectional view taken along line 9-9 of FIG. 8;

FIG. 10 is a cross-sectional view showing a process of separating a tape layer and a core tube from a pressure-sensitive adhesive tape discarded product by a core removing tool.

FIG. 11 is a cross-sectional view showing a separation process following FIG. 10;

FIG. 12 is a sectional view showing a separated state of the tape layer and the core tube following FIG. 11;

FIG. 13 is a cross-sectional view corresponding to FIG. 11, showing a process of separating a core tube using an adapter.

FIG. 14 is a cross-sectional view corresponding to FIG. 11, illustrating a process of separating a core tube using another adapter.

FIG. 15 is a cross-sectional view showing a process of separating a core tube using a spacer.

FIG. 16 is a sectional view showing an apparatus for coring a plurality of core tubes at the same time.

FIG. 17 is a cross-sectional view showing a core removal process following FIG. 16;

FIG. 18 is a cross-sectional view showing a completed core removal state following FIG. 17;

FIG. 19 is a cross-sectional view showing a cored state by a hand-held handle.

FIG. 20 is a cross-sectional view showing a centering process by the hand-held handle of FIG. 19;

FIG. 21 is a cross-sectional view showing a core removing process following FIG. 20;

FIG. 22 is a cross-sectional view showing a completed core removal state following FIG. 21;

FIG. 23 is a perspective view of an adhesive tape discarded product.

FIG. 24 is a cross-sectional view of FIG.

FIG. 25 is a perspective view of another waste adhesive tape.

FIG. 26 is a sectional view of FIG. 25;

[Explanation of symbols]

 (1) ・ Tape layer (2) ・ Core tube (3) ・ Double-sided adhesive (4) ・ Heating device (4a) ・ Straight cylinder surface (4b) ・ Tapered conical surface (5) ・ Punching flange (6) ) ・ Heater insertion hole (7) ・ Electric heater (8) ・ Air vent hole (10) ・ Heating temperature regulator (11) ・ Temperature sensor (17) ・ Mounting jig (18) ・ Advancing / retracting operation source (23) ・ Transport Belt (24), core tube receiving hole (31) (32), adapter (34) (35), support base (36), hand-held handle (37), fixed base (T1) (T2), adhesive tape waste ( W) · Band width of tape layer (L) · Length of tape layer

Claims (7)

[Claims] 1. A heater (4) in which an electric heater (7) is embedded is detachably inserted into a paper core tube (2) of an adhesive tape discarded product (T1) (T2), and heated. The double-sided adhesive (3) between the core tube (2) and the tape layer (1) is melted, and the core tube (2) is pushed out of the tape layer (1) by the heater (4). Method of cored waste adhesive tape. 2. A core adapter (2) for discarded adhesive tapes (T1) and (T2) is inserted directly into a core tube receiving hole (24) opened in an automatic intermittent conveyor belt (23) or a separate adapter. (31) While inserting and setting indirectly via (32), the core tube (2) in which the transport belt (23) is temporarily stopped
A heater (4) is attached to an advancing / retracting operation source (18) such as an air cylinder or an electric cylinder that is moved forward / backward, and the adhesive tape waste (T1) (T
The adhesive tape discarded product according to claim 1, wherein the core tube (2) pushed out from the tape layer (1) of (2) is dropped from the core tube receiving hole (24) of the conveyor belt (23). Core removal method. 3. One of a pair of opposed supports (34) and (35), one of which is moved forward and backward to the other, or both are relatively moved forward and backward.
The core tube (2) of the adhesive tape waste (T1) (T2) is inserted directly or indirectly through separate adapters (31) and (32) into the core tube receiving hole (24) opening at the end. Then, the heater (4) facing the core tube (2) is attached to the other support (35) and used, and the adhesive tape waste (T1) (T
2. The adhesive tape discarded product according to claim 1, wherein the core tube (2) pushed out from the tape layer (1) of (2) is dropped from the core tube receiving hole (24) of the support base (34). Core removal method. 4. A core tube receiving hole (2) for opening a core tube (2) of an adhesive tape discarded product (T1) (T2) to a fixing base (37).
4) Direct or separate adapters (31) (32)
Indirectly set through the, while attaching a hand-held handle (36) to the heater (4),
The core tube (2) artificially pushed out of the tape layer (1) of the waste adhesive tape (T1) (T2) in the heater (4) used by hand is used as the core tube of the fixing base (37). 2. The method according to claim 1, wherein the adhesive tape is dropped from the receiving hole. 5. A heater (4) shaped substantially from a metal material having high thermal conductivity such as stainless steel, clad steel, light alloy or the like, and an electric heater (4) embedded in the heater (4). 7), and a heating temperature controller (10) connected and wired to the electric heater (7). The straight cylindrical surface (4a) of the heater (4) can be disposed of at least as short as an adhesive tape discarded product ( T1) As a length (L1) substantially equal to the band width (W) of the tape layer (1) in (T2), discarded adhesive tape (T1) (T2) from the root of the straight cylinder surface (4a). A punching flange (5) that can be locked to the paper core tube (2) of the above is integrally extended, and the heater (4) is moved from its tapered conical surface (4b) to the adhesive tape discarded product (T1) ( Insert and remove freely into the core tube (2) of T2) Coring tool of the pressure-sensitive adhesive tape scrap which is characterized in that there was order. 6. A heater embedding hole (6) having a large diameter formed on a center line of a straight cylindrical surface (4a) of a heater (4), and also formed on a center line of a tapered conical surface (4b). The cartridge-type electric heater (7) is embedded in the heater embedding hole (6) by communicating with the small-diameter air vent hole (8), and a heater ( 6. The tool according to claim 5, wherein the temperature sensor (11) of (4) is embedded. 7. A mounting jig (17) having a diameter smaller than that of a flange (5) which is punched out from a root of a straight cylindrical surface (4a) of a heater (4). The jig (17) of the container (4) is detachably attached to an advance / retreat operating source (18) such as an air cylinder or an electric cylinder, a support base (35) or a hand-held handle (36). 6. A tool for cored waste adhesive tape according to 5.