110
The bees’ knees of fixings
How do you The contractor needed a means of exposed face of the steelwork."
persuade a securing the bees that would be The Lindapter Hollo-Bolt is an
swarm of unobtrusive as well as tough. expansion bolt method of
giant golden bees to make Lindapter Hollo-Bolts fitted the bill securing to square,
their home on the world's perfectly: the patented expansion rectangular or
tallest residential building and bolt design provided a solution for circular hollow
not simply buzz off when they attaching to the hollow-section section steel, or
feel like it? The answer, structural to
according to the contractor steelwork
responsible for mounting the behind the
installation art is Lindapter façade - the
Hollo-Bolts. bees’ knees of conventional
protection
The 300m high Eureka tower fixings, you might say. steelwork
as standard
dominates the Southbank area of Lindapter's Scott Brook notes: where access is
and is
Melbourne, Australia, and the "The space behind the façade is available from one side only.
available in hot-dip galvanised or
bees - the work of sculptor quite cramped. Welding the Awarded the Design Council's
stainless steel versions if the
Richard Stringer - are the latest mounts into place would have Millennium Products status for
application demands. M16 and
spectacular addition to the façade. been difficult. Hollo-Bolts allowed innovation in connecting to
M20 sizes feature a collapse
the hollow section, the Hollo-Bolt also
mechanism to
contractor to has third party endorsements
maximise
fix them in from Corus and the UK's Steel
clamping force
place easily, Construction Institute.
and enable use
working just For aggressive environments,
as a primary
on the the Hollo-Bolt comes with JS500 connection.
Display tape holds fast
A high performance double sided PET adhesive tape developed by tesa was used in an application securing rigid PVC plastic film profiles,
with strong elastic memory, to a foam centred display board for an exhibition display by UK manufacturers Colour Tone Masterbatch.
Over 1,000 individual items were precision cut and formed from adhesive tape with reliable bond performance even to low surface
rolls of coloured film to produce the PVC plastic film profiles. A 20mm energy substrates.
return was designed into the profiles to allow a convex shape to be It is suited to applications where heavy stress and elevated
formed, as well as accommodate the tesa 4965 double sided tape temperatures are present and features a peel adhesion of up to 12.2
used for mounting. The fixing had to be sufficiently secure to ensure N/cm2 on a wide range of substrates including plastics, aluminium and
the panels would withstand transit from the UK to Germany, erection steel. The temperature resistance of tesa 4965 is up to 200°C short
and 10 days under the glare of nine 100w spotlights at the trade show, term and 100°C long term. Elongation is 50% and tensile strength is
as well as subsequent removal and return shipment. ≥30 N/15mm.
Based on a double coated high shear strength modified acrylic Tesa says that in tests, at 23°C, the tesa 4965 holds a 20 x 13mm
adhesive over a PET film, tesa 4965 is a 205µm thick transparent stainless steel sample plate weighing 500g for over 10,000 minutes.
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