Coating apparatus – Work holders – or handling devices
Patent
1986-01-28
1987-07-28
Silverberg, Sam
Coating apparatus
Work holders, or handling devices
118504, 118505, 118301, 427282, B05C 1300, B05C 1302
Patent
active
046825622
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a holding device for metal sections which are to be coated in two colours under utilisation of a movable frame comprising a top cross member and bearers on which the metal sections are to be secured.
2. Description of the Related Art
The powder enamelling method is preponderantly also applied apart from the anodising process, for coloured coating of metal sections which are utilised for production of windows, doors or gates. To this end, the metal sections required in each case are provided with the coloured powder required, which is caused to melt in a furnace, or exposed to the anodising process.
Problems arise if the inner and outer secton elements of complete metal sections, for example intended for windows or doors, are to be two-coloured, or if the one side is to be enamelled and the other side is to be anodised. To this end, the procedure applied is that the sections for indoors and the sections for outdoors are anodised of enamelled separatedly and are then joined together by means of connecting webs of plastics material for preference.
This method of production of two-coloured complete metal sections is comparatively costly because of the considerable waste of sectional material and an increased risk arises upon bonding the product since the connection between inner and outer metal sections finish-processed in different colours by means of the said connecting webs is not as successful qualitatively as in the case of metal sections which are superficially unprocessed, because the colour-finished metal sections may not incur any scratches or other damage during the further processing of the sections, so that great care must consequently be exercised. Furthermore, the production of bonded separate sections is affected by limits inasmuch as bonded sections cannot be utilised for larger windows and doors for example, for static reasons. A single section which is cross-sectionally sufficiently large and stable has to be selected for this purpose, which may however be produced in one colour only at acceptable costs, in view of the desirable quality of enamelling.
SUMMARY OF THE INVENTION
The object of the invention consists in devising a holding device for metal sections which are to be coated in two colours, which renders it possible to provide finished metal sections, in respect of the cross-sectional outline, and even those of larger cross-section, with two colours in an economic manner.
The solution of this problem is based on a holding device in the form of a frame for metal sections which are to coated, and is characterised in that the metal sections may be secured mutually parallel on the frame under interpositioning of masks, in such manner that the masks in each case bear against mutually opposed sides of adjacent sections and form a continuous wall with these.
Metal sections utilised for windows and doors in particular may be produced economically in two colours in a simple manner, by means of the holding device according to the invention. To this end, the metal sections which are to be provided with two colours are mounted in the frame whilst extending mutually parallel and with mutual spacing, the gaps between them being filled with the masks so that a continous wall of metal sections and masks is formed. The device, together with the metal sections, is then conveyed into a chamber in which the section surfaces at the one side of the masks are coated with the required coloured powder. The same procedure is repeated in another chamber on the other side of the masks, with the other coloured powder. The powder coating of different colours of the sections is then exposed to the finishing treatment in a stove enamelling furnace.
This has the result that the separate sections which are to be joined together by means of plastics material webs need no longer be joined together after the powder enamelling operation in different colours but already prior to the same, i.e. the window manufacturers may procure finished who
REFERENCES:
patent: 640086 (1899-12-01), Braddock
patent: 1072810 (1913-09-01), Beasejour
patent: 1106915 (1914-08-01), Beasejour
patent: 1231246 (1917-06-01), Florsheim et al.
patent: 1573082 (1926-02-01), Madden
patent: 1817928 (1931-08-01), Panitzsch
patent: 1838701 (1931-12-01), Nicolai
patent: 2588557 (1952-03-01), Morris et al.
patent: 2699144 (1955-01-01), Peterson
patent: 2730461 (1956-01-01), Vawter
patent: 3197797 (1965-08-01), Stanley
patent: 4129092 (1978-12-01), Wiggins
Hell GmbH & Co.
Owens Terry J.
Silverberg Sam
LandOfFree
Holding device for metal sections which are to be coated in two does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Holding device for metal sections which are to be coated in two , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Holding device for metal sections which are to be coated in two will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2029690