mains permanently flexible inside the joint. The compound will withstand regular joint movement of plus or minus 71⁄2 per cent of the mean joint width, depending on application con- ditions.
At elevated temperatures Vertilast shows no tendency to run out of the joint. This property has been suc- cessfully tested up to 212 deg. F., for a half-inch joint and up to 150 deg. F., for a one-inch joint.
Agents include: Larsen and Track, and D. P. Hechtel and Co., Ltd., Hong Kong: Harrisons and Crofield (M) Ltd., Singapore and Kuala Lum- pur; and Loxley (Bangkok) Ltd.
SWITCHES
Designed for Easy Wiring and Accessibility
Two new lines have been added to the range of electrical wiring acces- sories marketed by Contactum, Ltd.. Victoria Works, Edgware Road, Lon- don, N.W.2. a varied collection of spur boxes and 20 amp. switches.
The D.P. spur boxes are of pleasing modern design, and are available in white or brown, with or without a flex outlet or a pilot light.
The compact and attractive 20 amp switches are also supplied with
20 amp. switch with pilot light
or without flex outlet or pilot light. Special attention has been paid in the design to the interest of the contractor with regard to wiring facility and ac- cessibility of terminals.
Main distributor in Hong Kong is U. Spalinger & Co., Ltd.
WINDOW FITTING
Allows Flexibility of Design
THE design characteristics of a new aluminium window casement stay in- troduced by James Collins (Birming- ham) Ltd. permits new trends in styling.
Collins window fittings
Far East Architect & Builder April, 1967
The standard knuckle joint found in most casement stays has been elim- inated by incorporating a moulded nylon pivot. This simple development will allow greater flexibility of design without impairing the working action of the stay.
A matching reversible casement fastener, again using nylon bushes, has also been introduced. The standard wedge plate can be used on right angle or other angled window frames. Further information is available from James Collins (Birmingham) Ltd.. Leamington Road, Birmingham 23, U.K.
TAPS
Height Allows Easier Filling of Tall Containers
A HIGH-NECK pillar tap, the Fair- line 2075 is designed to give clear- ance when filling containers such as buckets or tall vases.
-
The 1⁄2 in. taps allow 5 in. clear- ance from the base to the nozzle out- let and are specially suited to use with shallow basined stainless-steel sinks. Having an overall height of 84 in.. they are available with capstan or fluted shield heads, and can be fitted with B.S.659 cop- per tubing inlets in any lengths re- quired.
James Barwell Ltd., Great Hamp- ton Street. Bir- mingham, UK, are the makers. Agents
Fairline 2075
in Malaysia are Less Enterprises, and Polychem, Ltd. Representatives are wanted in other areas.
DOVETAIL JOINTS
Fast Production With Drill Attachment
accurate in. pitch dovetail joints in drawers, boxes, etc. can be produced in timber % in. I in. thick and up to 9in. wide by the Arcoy 2000 dovetailer, which may be used with any standard electric drill having a chuck capacity of 1⁄4 in, or
more.
With this attachment a 9 in. wide joint is produced in approximately 5 minutes, since no preparatory mark- ing out is required and since both pieces of wood are cut simultaneous- ly.
The dovetailer consists of a slotted guide, a cutting unit and a pair of clamping plates
one horizontal
and the other vertical
V M
the whole assembly being fixed to the work bench. The two pieces of timber are clamped to the plates and held in place by locating pins, so that they are positioned at 90 degrees to one another.
The slotted guide plate is screwed into place in front of the vertical
Arcoy 2000 dovetailer
timber and the cone-shaped cutter, which has two cutting edges, is screwed into the cutting unit spindle which is gripped at the opposite end in the chuck of the drill.
When the drill is switched on, the cutting unit, with the cutter rotating, is fed in turn to each slot of the guide plate. The dimensions and spacing of the slots control the movement of the cutter and maintain the exact spacing of the tenons at 3⁄4 in. in- tervals.
Further information is available from Arcoy Products Ltd., Bootle 20, UK.
CONDUIT CLIP Speeds Installation of Electrical Conduit
THE Klip-lok electrical conduit clip forms a single unit made up from three moulded Delrin parts. It fits all types of electrical conduit and, as it is easy to fix, speeds up installation.
Only one screw is needed to secure the clip into position, and this moves in a slot. The clip can be closed with one hand and is easily unclamped.
Four sizes are available, 34 in., 1 in. 14 in. and 11⁄2 in.
Ucan Developments Ltd., 27 Lyon Road. Hersham, Walton-on-Thames,
Klip-lok conduit clip
Surrey, UK. are the makers. Agents include Connell Bros. Co. (H.K.) Ltd.. Hong Kong and Diethelm & Co. Ltd., Singapore.
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