Metal working – Method of mechanical manufacture – Structural member making
Reexamination Certificate
1996-07-22
2001-04-10
Echols, P. W. (Department: 3726)
Metal working
Method of mechanical manufacture
Structural member making
C029S464000, C029S515000, C409S192000, C409S203000
Reexamination Certificate
active
06212773
ABSTRACT:
The present invention relates in particular to a method of shaping profiled frame members, to a method of manufacturing frames, to frames made from profiled members and to profiled members of specific structure.
The techniques currently employed for manufacturing frames which are to form casings, opening leaves or fixed frames for producing closures or walls are very cumbersome owing to the fact that the profiled members exhibit sections which are completely different from one frame to the next so that the positions of the tools of the machines which are used to manufacture the frames have to be set each time.
This is why all that can be done is to prefabricate all the pieces of profiled members which are to form the opening leaves and store them, to manufacture the frames forming these opening leaves and to store them, then to prefabricate all the pieces of profiled members which are to form the casings and store them, to manufacture the frames constituting these casings and to store them. It is then necessary to take them back up one after another, fitting them out or sorting them in terms of size in order actually to make closures.
The object of the present invention is to overcome these drawbacks in particular, at least in part.
The foremost subject of the present invention is a method of shaping profiled members in which method the profiled members undergo shaping operations, particularly drilling, milling or punching, on a machine using at least one tool.
According to the invention, this method consists in presetting the position of the tools of a set of interconnected tools with respect to at least one reference surface of the machine. Furthermore, it consists, in succession for each of the profiled members to be shaped, in placing a predetermined reference face of the profiled member to be shaped on the reference surface of the machine, in moving the tools in unison with respect to said profiled member to be shaped mounted on the machine so as to carry out the shaping operation executed by at least one tool of said set of tools in at least one lateral wall of this profiled member, and in removing said profiled member from the machine after shaping; the presetting of the tools and the shape of the profiled members being such that profiled members of different sections may undergo the desired operations with the use respectively of the tools corresponding to these operations selected from said set of tools.
According to the invention, the aforementioned tools may in particular be rotary machining tools, punching tools, clamping tools, tools for welding, for example spot welding, pinning or other operations.
In an alternative, the method according to the invention, in which the operation to be carried out is a punching operation, consists, after having placed in the profiled member to be shaped an inner piece engaged longitudinally inside this profiled member, in placing this profiled member to be shaped on the reference surface of the machine, and in carrying out the punching operation using at least one of the punching tools of said set of tools so as to deform the profiled member inward, into a hollow part of said piece.
Another subject of the present invention is a method of manufacturing frames each comprising profiled members connected by joining pieces respectively engaged longitudinally in the adjacent profiled members of the frame, on a punching machine using punching tools.
According to the invention, this method consists in presetting the position of the tools of a set of interconnected punching tools with respect to at least one reference surface of the machine. Furthermore, it consists, in succession for each of the frames to be manufactured, and after they have been preassembled using said joining pieces, in placing a predetermined reference face of the frame to be manufactured, of one side of the frame, on the reference surface of the machine, in moving the punching tools in unison with respect to said profiled member to be shaped mounted on the machine so as to carry out the punching operation using at least one of the punching tools of said set of punching tools in order to deform the profiled members inward, into hollow parts of said joining pieces, and in removing said frame from the machine after punching; the presetting of the punching tools and the shape of the profiled members being such that frames respectively exhibiting profiled members of different sections can undergo the desired punching operations with the use respectively of the punching tools corresponding to these operations selected from said set of punching tools.
The method of manufacturing frames according to the invention may advantageously consist in preassembling the frame in such a way that its opposed parts are separated, in placing the predetermined reference face of this frame on the reference surface of the machine, in placing a panel in the space of the frame, in bringing the opposed parts of the frame closer together so as to engage the edges of the panel in slots of the frame and in carrying out the punching operation.
The method of manufacturing frames according to the invention may advantageously consist in placing said frame sideways on to said sets of punching tools.
According to the method of manufacturing frames of the invention, each frame may advantageously be formed by profiled members of identical section.
The method of manufacturing frames according to the invention may advantageously consist, in succession for each of the frames to be manufactured, in preparing four pieces of a profiled member and in executing the aforementioned preassembly operation.
Another subject of the present invention is frames formed respectively by profiled members of different sections.
According to the invention, these frames preferably exhibit a reference face on one side, and they exhibit shaped regions executed laterally and of which at least some of the regions of each of the frames are situated equal distances away from their reference face and of which the other regions of each of the frames do not correspond to one another, these other regions of one of the frames corresponding to hollow or lateral parts of the other frame.
According to the invention, each frame is preferably formed by profiled members of identical section.
According to the invention, the shaped regions may be punched regions.
Another subject of the present invention is profiled members of specific structure.
Another subject of the present invention is a profiled member of L-shaped section, which preferably comprises, in its first flange, two superposed longitudinal channels, and in its second flange, one longitudinal channel offset toward the outside, in the direction of its first flange with respect to the channel in the latter which is adjacent to it.
According to the invention, its first flange may advantageously exhibit, between its channels, longitudinal joining strips, preferably made of a thermally insulating material.
According to the invention, the edge of its second flange exhibits a free-standing wall turned back toward its first flange.
According to the invention, it exhibits a longitudinal rib in the inner region where its aforementioned flanges meet.
Another subject of the present invention is a profiled member which comprises at least one first longitudinal channel adjacent to a second longitudinal channel and to a longitudinal slot extending opposite this second channel.
According to the invention, it comprises, opposite its aforementioned slot, a free-standing wall which extends its wall opposite its second channel and this slot.
REFERENCES:
patent: 3442175 (1969-05-01), Heap et al.
patent: 4423990 (1984-01-01), Kodama et al.
patent: 2 623 750 (1977-12-01), None
patent: 3 042 284 (1982-06-01), None
patent: 90 13 247 (1991-03-01), None
patent: 92 07 578 (1992-10-01), None
patent: 92 14 208 (1993-01-01), None
patent: 7323801 (1975-01-01), None
patent: 2 259 222 (1975-08-01), None
patent: 2 644 202 (1990-09-01), None
patent: 1 484 127 (1977-08-01), None
Echols P. W.
Smith , Gambrell & Russell, LLP
LandOfFree
Method of shaping profiled frame members, and method of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of shaping profiled frame members, and method of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of shaping profiled frame members, and method of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2477673