Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-06-12
1999-05-25
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156226, 493405, 362352, B31F 5306
Patent
active
059066997
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a method of making paper lamp shades.
In particular, the present invention refers to a method in which the paper for forming the lamp shades is folded in such a manner that it assumes a three-dimensional structure.
BACKGROUND ART
There are various methods for folding materials known in the prior art.
EP 0 144 526 A1 discloses a method for the press treatment of fabrics. This method makes use of an apparatus having two rotating rollers rotating in opposite directions and at different speeds and being spaced from each other. The fabric to be treated is moving along the two rollers while it is guided by a limiting means disposed between the two rollers. Due to the different rotational speeds of the two rollers, a folded structure of the fabric is created, resulting in a uniform "zigzag" fold structure of the fabric.
EP 0 529 766 A1 discloses a method of pleating articles of clothing. In this method, the garment is pleated, rolled together, twisted and then clamped in a holding device. This holding device then is introduced into an apparatus for thermal treatment, and the garment is simultaneously heat-treated and pleated by means of a saturated current.
The technical publication "Shibori--The Inventive Art of Japanese Shaped Resist Dying", Kodansha Int., 1983, pages 123 to 138, discloses a method of producing dyed patterns on a fabric. In this method, the fabric is wrapped around a bar, a thread is placed around the fabric, the fabric on the bar is pushed together and finally is dyed in this pushed together condition. By way of this method, a pattern is formed on the fabric which is pulled straight again after dying, with the pattern being dependent upon the folded state of the fabric prior to application there of on the bar, the winding density of the thread and on the winding direction.
For manufacturing lamp shades of paper, it is necessary for the paper to adopt a three-dimensional structure, so that the lamp shades formed thereof retain this structure upon conclusion of the method. This means that the shape of the paper lamp shades does not alter any more after manufacture thereof.
The methods described hereinbefore deal exclusively with the folding or pleating of fabrics, and it is apparent in this respect that these methods do not create a three-dimensional structure of the fabrics as it is indispensable, for example, for lamp shades that are not fixed to a carrier grid, but are supported just by a supporting structure.
SUMMARY OF THE INVENTION
It is the object of the invention to fold a paper in such a manner that a three-dimensional structure is formed permitting the utilization of the folded paper as a lamp shade.
The present invention provides a method of making paper lamp shades, comprising the following steps:
a) wrapping the paper at least around part of a circumferential surface of a cylinder;
b) wrapping a thread around the paper applied to the circumferential surface;
c) pushing together the paper having the thread wrapped therearound, in a direction along the cylinder, where by the paper is folded; and
d) removing the pushed together paper from the cylinder.
According to an advantageous development of the present invention, the method of making paper lamp shades comprises the following steps:
a) fulling the paper;
b) wrapping the paper at least once and at least around part of a circumferential surface of a cylinder;
c) wrapping a thread around the paper applied to the circumferential surface;
d) at least once pushing together and/or twisting the paper having the thread wrapped therearound, in a direction along the cylinder, thereby folding the paper;
e) watering the folded paper and treating the paper with fixatives;
f) drying the paper on the cylinder;
g) removing the thread from the cylinder;
h) removing the pushed together paper from the cylinder; and
i) opening the superimposed paper layers.
The invention, and its objects and advantages, will become more apparent in the detailed description of the preferred embodiments prese
REFERENCES:
patent: 1958459 (1934-05-01), Angeletti
patent: 2404162 (1946-07-01), Brown
patent: 2556521 (1951-06-01), Chase
patent: 3076228 (1963-02-01), Johnson
patent: 3859897 (1975-01-01), Higa
patent: 4562521 (1985-12-01), Noguchi
patent: 5060565 (1991-10-01), Schonheit
Smook, G.A., Handbook of Pulp & Paper Terminology, Angus Wilde Publications, Bellingham, WA, pp. 61 and 247, 1990.
"Shibori--The Inventive Art of Japanese Shaped Resist Dying"--Pole-Wrapping Cloth Pole-Wrapped and Compressed, Jan. 1, 1983, pp. 123-138.
Ball Michael W.
Ingo Maurer
Mitchell Shawn A.
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