GB2106237A

GB2106237A - Guide member

Info

Publication number: GB2106237A
Application number: GB08215249A
Authority: GB
Inventors: John Valdemar Holbek
Original assignee: Jens Villadsens Fabriker AS
Current assignee: Jens Villadsens Fabriker AS
Priority date: 1981-05-27
Filing date: 1982-05-25
Publication date: 1983-04-07
Also published as: GB2106237B; DK146859B; DK146859C; NO830243L; DK234181A; DE3220059A1; WO1982004278A1

Abstract

A guide member for use in the application of a sheet material in roll form and having a bottom surface consisting of or coated with a heat activatable binder onto a base, said guide member comprising a shaft for insertion into the central hole of a roll of said sheet material, a rod connected with one end of said shaft and extending essentially perpendicular thereto in a zone adjacent to said shaft, a supporting rod extending parallel to and essentially over the full length of said shaft, a fuel pipe and coupling means located at the ends of said supporting rod and coupling the ends of said fuel pipe to the ends of said supporting pipe in such a manner that said fuel pipe is movable within predetermined limits relative to said supporting rod, said fuel pipe being connected with a plurality of burners and being connectable to means for supplying fuel to said fuel pipe.

Description

SPECIFICATION Guide member This invention relates to a guide member for use in the application, onto a base, of a sheet material in roll form and having a bottom surface consisting of or coated with a heat activatable binder, said guide member comprising a shaft for insertion into the central hole of a roll of said sheet material and a guide rod connected with one end of said shaft and extending essentially perpendicular thereto in a zone adjacent to said shaft.

More particularly the invention relates to a guide member for use in the application of roofing felt onto a base.

The German Utility Model registration No.

78.13578 discloses a guide member of the type defined above, viz. a guide member for use in the application of rolls of roofing felt onto a roof surface.

When using such prior art guide member, the free end of the shaft is inserted into the central hole of the roll of roofing felt and while moving the guide member in a direction so as to unroll the roofing felt, the bottom surface of the roofing felt is heated with a separate burner system comprising a plurality of gas burners mounted on a common supporting rod. This supporting rod supports wheels mounted at the ends of said supporting rod and a guide rod having a handle portion extending therefrom.

When using this prior art guide member and the prior art burner system it is difficult to control the movement and the position of the burner system relative to those of the roll of roofing felt and to achieve an optimum heating of the bottom surface of said roofing felt.

The object of the invention is to provide a guide member and a burner system, wherein the movement of the burner system is harmonized with that of the guide member.

A further object is to provide a combined guide member and burner system which is simpler and easier to operate than the above mentioned separately operated guide member and burner system.

These objects and other objects which will become apparent from the following description are achieved by the guide member of the invention which comprises a supporting rod extending parallel to and essentially over the full length of said shaft, a fuel pipe and coupling means located at the ends of said supporting rod and coupling the ends of said fuel pipe to the ends of said supporting rod in such a manner that said fuel pipe is movable within predetermined limits relative to said supporting rod, said fuel pipe being connected with a plurality of burners and being connectable to means for supplying fuel to said fuel pipe.

When using the guide member of the invention for the application of a roll of roofing felt onto a base, the movement of the shaft inserted in the central hole of a roll of roofing felt will be synchronized with the movement of the burner system.

This facilitates the heating and application of the sheet material on the base and permits an optimum heating of the heat activatable material at the bottom surface of the roofing felt.

In a preferred enibodiment of the guide member of the invention the coupling means are designed so that they permit rotation of the fuel pipe about its own axis. This enables the operator to direct the flames produced in the burner either directly against or at an angle relative to the sheet material which is being unrolled and thus to control the temperature of the heat activatable material without adjusting the fuel supply.

The coupling means may also be of such a construction that they allow the fuel pipe to rotate about an axis perpendicular to the supporting rod.

By using such an embodiment it is possible to effect a stronger heating of the sheet material in a zone adjacent to one longitudinal edge than in the zone adjacent to the opposite longitudinal edge and thus to fulfil special needs during the application of the sheet material.

The two above mentioned features may be combined in a single embodiment. Thus, the coupling means may comprise two U-shaped members having a stopper mounted at the open end of the U and having the ends of the fuel pipe inserted into the oblong hole thus formed. These U-shaped members permit the fuel pipe to be rotated both about its own axis and about an axis perpendicular to the supporting rod. Additionally it permits a displacement of the fuel pipe as a whole towards or away from the shaft to be inserted in the central hole of a roll of sheet material.

In order to stabilize the movement of the fuel pipe relative to the supporting rod it may be desirable to mount two guide discs on the fuel pipe, one being located on the internal side and the other on the external side of a coupling means.

The fuel pipe is preferably divided into several sections, each section being closed at its end and each section being connected with one or more burners. In that case fuel is supplied to said sections through distributor pipes which in t;m are connected with the fuel supply pipe.

The fuel supply pipe may comprise a handle portion and said handle portion may comprise a valve which in a non-activated state allows the passage of sufficient fuel to maintain a pilot flame and which, when fully opened, permits full supply of fuel to all burners.

A guide member in accordance with the invention will now be described in further detail with reference to the drawings, in which Fig. 1 shows a preferred embodiment of the guide member of the invention in isometric view and Fig. 2 schematically illustrates the fuel pipe of the device illustrated in Fig. 1 in two different positions.

The drawings illustrate a handle 1 of a guide member which comprises a connecting rod 2, a supporting rod 3 and two guide rods 4 connecting one end of the supporting rod 3 with a shaft 5 having such a shape and length that it can be inserted into the central hole of a roll 6 of roofing felt or a similar sheet material.

The supporting rod 3 supports two U-shaped coupling means 7 surrounding the ends of a fuel pipe 8. The fuel pipe 8 comprises three separate sections, each carrying two burners 9. Each of these sections is connected with a distributor pipe 10 via a valve 11.

The distributor pipe 10 is connected with a fuel supply pipe 12. The supply pipe 12 comprises a handle portion 13 having a stop valve 14 and a control valve 1 5. In non-activated state the control valve 15 allows passage of fuel in an amount sufficiently high to maintain a pilot flame in each burner9 and when turned into a fully open position it permits full supply of fuel to the burners 9.

In order to stabilize the fuel pipe 8 relative to the U-shaped coupling means 7 the fuel pipe carries two guide discs 16, one being mounted on one side and the other on the other side of a coupling means 7. The sides of the discs 1 6 facing the coupling means 7 are of a conical shape, of Fig. 2. This conical shape allows the opposite ends of the fuel pipe 8 to be moved freely between end positions located at opposite ends of the coupling means. These two end positions are schematically illustrated in Fig. 2 which illustrates one position in full lines and the other position in broken lines.

For the sake of clarity the valves 11 and the burners 9 have been omitted in the latter position.

As will appear from Fig. 1 the burners 9 can be rotated in a vertical plane and thus the flames generated therein can be directed more or less directly against the bottom surface of the roll 2.

As illustrated in Fig. 2 the burner system can also be rotated about an axis perpendicular to the supporting rod 3, thus making it possible to heat one lateral edge of the roll 3 to a higher temperature than that of the other edge. Finally, the burner system may be moved closer to or away from the roll 6.

When the burner system has been correctly adjusted relative to the roll 6, the application of the sheet material may be effected simply by moving the device along the surface to be coated.

Claims

1. A guide member for use in the application, onto a base, of a sheet material in roll form and having a bottom surface consisting of or coated with a heat activatable binder, said guide member comprising a shaft for insertion into the central hole of a roll of said sheet material and a guide rod connected with one end of said shaft and extending essentially perpendicular thereto in a zone adjacent to said shaft, characterized in that it further comprises a supporting rod extending parallel to and essentially over the full length of said shaft, a fuel pipe and coupling means located at the ends of said supporting rod and coupling the ends of said fuel pipe to the ends of said supporting rod in such a manner that said fuel pipe is movable within predetermined limits relative to said supporting rod, said fuel pipe being connected with a plurality of burners and being connectable to means for supplying fuel to said fuel pipe.

2. A guide member as in claim 1, characterized in that the coupling means are designed so that they permit rotation of the fuel pipe about its own axis.

3. A guide member as in claim 1, characterized in that the coupling means are designed so that they permit rotation of the fuel pipe about an axis perpendicular to the supporting rod.

4. A guide member as in claim 1 characterized in that the coupling means comprise U-shaped members having a stopper mounted at the open end of the U and having the ends of the fuel pipe inserted into the oblong holes thus formed.

5. A guide member as in claim 4, characterized in that two guide discs are provided on the fuel pipe, one being located on the internal side and the other at the external side of a coupling means.

6. A guide member as in claim 1, characterized in that the fuel pipe is divided into sections, each section being closed at its ends and each section being connected with at least one burner.

7. A guide member as in claim 6, characterized in that each section is connected with a fuel distributor pipe which in turn is connected with a fuel supply pipe having a handle portion.

8. A guide member, for use in the application, onto a base, of a sheet material in a roll form and having a bottom surface consisting of or coated with a heat activatable binder, substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.