JPH0346102Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a trowel for jointing synthetic rubber asphalt waterproof sheets to be laid on flat roofs of concrete (including ALC) buildings, etc.

[Prior Art] Conventionally, synthetic rubber asphalt waterproof sheets (hereinafter simply referred to as sheets), which are laid on the flat roofs of concrete buildings of this type for waterproofing purposes, are fused to the roof surface using a torch method. The sheet 1 is formed into a long sheet having a predetermined width H as shown in FIG.
The sheet is laid by forming an overlapped joint part 3 at a distance of about 10 mm), but the sheet 1 is placed against the roof surface.
The back of the is melted and fused with a torch burner,
Furthermore, the joint part 3 is also fused,
In particular, if the joint part 3 is not sufficiently fused, rainwater, etc. may enter and stain the ceiling, walls, etc. of the room, so a sealant is applied to the joining joint of the joint part 3. However, with this sealant, it is not possible to ensure sealing performance over time, so the joint part 3 is melted with a torch burner and the seal is finished by smoothing it with a hot iron (for example, a regular flat iron, etc.). I was getting used to it.

[Problems to be solved by the invention] However, this conventional seal finishing requires holding a torch burner in one hand and a burning trowel in the other, resulting in high worker fatigue. Workability is also extremely inefficient,
There were problems such as the sealing surface being unable to be finished uniformly and requiring a skilled worker.

This invention has been developed to solve the above-mentioned conventional problems.It is a joint for waterproof sheets that allows even ordinary workers to easily perform the seal finishing work, and also allows the seal surface to be finished reliably and uniformly. The purpose is to provide grilled irons.

[Means for Solving the Problems] In order to solve the above-mentioned technical problems, the present invention provides a joint in which waterproof sheets made of synthetic rubber asphalt, etc. are layered and spliced in a step shape, and the joint portions in the same step shape are sealed. A roasting iron consisting of a substantially rectangular iron body having a width that can straddle the joint portion, and a handle portion rising upward from the iron body to which a torch burner can be attached; The lower side of the soldering iron main body has step-shaped left and right soldering iron surfaces that follow the joint portion, and an inclined surface at a predetermined angle between both iron surfaces, and the front part of the soldering iron main body has an inclined surface centered on the inclined surface. The present invention relates to a heating iron for jointing a waterproof sheet, which is configured to form a concave portion having a dam portion expanding from side to side at a predetermined angle.

[Function] Align the directing plate provided on the iron body with the step edge of the joint part of the waterproof sheet and place it on the lower surface of the left and right iron parts so that the synthetic rubber asphalt material melted by the torch burner flows. When the soldering iron body is moved forward by tracing the sheet surface in the starting state, the welding material will be transferred to the center side, that is, the sheet step part and the left and right iron parts, due to the expanded dam formed at the front of the iron body. It is guided into the space formed by the slope formed between the lower surfaces of and acts to fill and seal the space.

[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings. In the figure, reference numeral 11 indicates the whole of a joint roasting iron, and the roasting iron 11 is equipped with a iron body 12 and a torch burner 28. It is composed of a handle portion 21. This soldering iron body 12 is made of, for example, a steel plate material, and has a substantially rectangular soldering iron part 13 having a width approximately corresponding to the width h of the joint part 3 as its main body. The trowel portion 14 is formed in a stepped shape slightly higher than the right trowel portion 15, for example, by approximately the thickness of the waterproof sheet 1, and both trowel portions 14,
The lower surfaces of the soldering iron 15, ie, the soldering iron surfaces 14a and 15a, are formed in a stepped shape, and an inclined surface 16 is formed between the soldering iron surfaces 14a and 15a at a predetermined angle from the soldering iron surface 14a toward the soldering iron surface 15a. In addition, the iron part 13
One end is cut out at a predetermined angle from the center toward both corners to form a substantially triangular recess 17, and the left and right inclined parts of this recess 17 are filled with molten synthetic rubber asphalt. The arcuate surface 18 rises upward to the extent that it does not ride on the portion 13 and is on the front side.
Each of the dams 18 having a diameter a is formed. Further, a directing plate 20 is attached in an upright manner approximately at the center of the upper surface of the soldering iron part 13, that is, along a line where the soldering iron surface 14a of the soldering iron part 14 and the inclined surface 16 intersect. is coming. A handle portion 21 is attached to the iron body 12 formed in this manner.

The handle portion 21 is formed by bending and forming a round steel material, for example, and a support portion 22 is fixed to the rear end portion of the direction plate 20 by welding means or the like and is erected vertically to a predetermined height position. A reinforcing part 23 is formed which is attached near the tip of the directing plate 20 and obliquely attached to the upper end of the pillar part 22, and is bent at a predetermined angle rearward from the upper end of the pillar part 22. An arm portion 24 is formed, and an end portion of the arm portion 24 is bent into an inverted U shape to form an engaging portion 25 that engages with a torch burner 28. Furthermore, two clamping plates 26a and 26 are provided on the tip side of the arm portion 24.
A bracket 26 that removably clamps a torch burner 28 is attached by b. This bracket 26 is rotatable relative to the mounting portion 27, and
The torch burner 28 attached to the bracket 26 is of a conventionally known type, and the front side of the handle 29 has a gas adjustment handle 30 and an air amount adjustment part 3.
1 is provided, and a nozzle portion 32 is provided at the tip.
When the gas pipe 32 having a handle 29 is gripped, the roasting iron 11 rotates around the attachment part 27 due to its own weight, and with the engaging part 25 engaged with the torch burner 28 as shown in the figure, Iron body 1
It is bent at a predetermined angle so that the combustion flame can be ejected toward a predetermined position P in front of a recess 17 formed in the recess 2 .

Next, in order to finish sealing the joint portion 3 of the sheet 1 with the joint iron 11 configured as described above, first the torch burner 28 is
After igniting and adjusting the flame, hold the handle 29 with one hand, align the directing plate 20 of the iron main body 12 with the step edge 3a of the joint part 3 of the sheet 1, and place it on the mutual sheet 1. Then both iron parts 14,1
A substantially triangular space A is formed between the step portion and the inclined surface 16 formed between the lower surfaces 14a and 15a of the nozzle portion 32, and the combustion flame from the nozzle portion 32 is directed to a predetermined position in front of the recessed portion 17. It is ejected in a predetermined range centering on P (above the stepped edge 3a), and the surfaces of both sheets 1 are melted. Note that the iron body 12 is heated by the reflected heat of the ejected combustion flame. When the melt of the synthetic rubber asphalt on the surface of the sheet 1 begins to flow due to the flame, the direction plate 20 is moved along the stepped edge 3a and the iron main body 12 is slowly advanced so as to trace the sheet surface 1. is iron body 1
The left and right dams 18 of the substantially triangular recess 17 formed in the front part of the sheets 1 and 2 guide the central part, that is, the stepped part of the sheets 1 and 1 to the substantially triangular space A, and the dams 18 Pressing is performed by the circular arc surface 18a to ensure filling and sealing of the space A, and the iron surfaces 14a, 15a and the inclined surface 16
As a result, the part melted by the flame can form a uniform finished surface, so the work can be carried out by ordinary workers without the need of skilled workers.Also, the work can be carried out by ordinary workers, while observing the melting state and moving forward with one hand. This improves work efficiency and reduces fatigue.

In the above embodiment, the handle part 21 is made by bending and forming a round steel material, but the present invention is not limited to this, and the point is that the torch burner 28 can be attached and the nozzle part 3 of the torch burner 28 can be attached to the handle part 21.
2 at a predetermined position P in front of the recess 17 of the iron body 12.
Any configuration is sufficient as long as it is capable of ejecting flame toward the torch and can be gripped integrally with the handle 29 of the torch burner 28 with one hand.

[Effects of the invention] With the above structure, the present invention can reliably seal the step-like joint part of the waterproof sheet and improve waterproofness. It is possible to form a uniform seal finish on the surface without the need of a skilled person, and work efficiency can be improved.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a partial plan view of a flat roof, Fig. 2 is a perspective view of the torch burner installed, Figs. 3 and 4 are explanatory views of the operation, and Fig. 5 The figure is a partially cutaway side view of the iron body. DESCRIPTION OF SYMBOLS 1...Synthetic rubber asphalt waterproof sheet, 3...Joint part, 3a...Step edge, 11...Joint grilling iron, 12...Strowel body, 14, 15...Tron part, 14a, 15a...Tron surface, 16...Slope surface, 1
7... recessed part, 18... dam part, 21... handle part, 2
8...Torch burner, A...Space part.

Claims (1)

[Scope of utility model registration request] A joint baking iron for sealing and sealing the joint portions of the stepped joints by laying waterproof sheets made of synthetic rubber asfiltrate etc. in a stepped manner, and having a substantially rectangular shape with a width that is wide enough to straddle the joint portions. It consists of a soldering iron body and a handle part that rises upward from the iron body and allows a torch burner to be attached.The lower side of the soldering iron body has stepped left and right soldering iron surfaces that follow the joint part. A sloped surface having a predetermined angle is formed between both iron surfaces, and a recessed portion having a dam is formed in the front part of the soldering iron body at a predetermined angle, expanding from side to side around the sloped surface. A iron for jointing the tarpaulin sheet.