![]() ![]() The original bottles had a round base and needed a separately moulded “base cup” to be able to stand upright. The “Windsor” managed two cycles per minute. The preform’s wall thickness was four millimetres and its weight 62 grams. The moulds ran on injection-moulding machines of the German manufacturer “Windsor” and met all specifications of the Continental Can Company as well as Pepsi and Coke right from the start. The majority of the moulds were laid out for the production of preforms for 2-litre bottles. The order was for twelve moulds with 16 cavities each, to be built exclusively for the USA. Mould makers of the USA and Western Europe have joined the race. And although the owner of the Swiss company doesn’t speak a word of English, the Continental Can Company decides in favour of Otto Hofstetter AG. For this purpose they have to find a mould maker who is able to design and produce a mould for preforms of the desired quality. The American company is subcontractor to Coke and Pepsi and has received an order to develop a new type of packaging for beverages. Not earning quite as much publicity, representatives of the Continental Can Company visit a mould maker in Uznach, Switzerland. A young British band by the name of “Dire Straits” comes for the first time on BBC and Muhammad Ali wins by points against Earnie Shavers in the Madison Square Garden. Sylvester Stallone is awarded the Oscar for his performance in “Rocky”. The technical specifications for preforms and production equipment have changed substantially. Moulds for PET preforms are now a very important part of the business in Uznach. The first order was placed by the Continental Can Company which had been commissioned by two major American beverage producers to evaluate a capable mould maker. ![]() Otto Hofstetter AG started making moulds for PET preforms in 1977. Germany heating elements high quality for longest mould lifetimeĭo you need any PET Preform mold? contact us to get a price.Preform PET Mold Switzerland Know-how Quality Improved valve gate system with interchangeable and durable melt PET material sealing PET Preform mold feature: Precision temperature controlling and even heating area for hot manifold PET Preform mold Steel: PET preform mold base steel: DIN1.2311 with precision grinding machine with each plate thickness tolerance 0.015mm for a plate size 500*500*40 with HRC32 PET preform mold spare steel: DIN1.2344 in D-M-E metric dimension standard all the moving area was inserted with durable parts which is interchangeable, hardness is HRC 48-52 PET preform mold cavity and core steel: S136 stainless steel, tempered with HRC50+/-2 Screw neck slide pieces: Inserted with prehardened DIN1.2316 with HRC38 to HRC42 ![]() Tell us you need and requirement, ST can offer you a tailor made PET Preform mold solution. ST has rich decades of year’s experience of PET bottle mold & PET Preform mold making. ST PET Preform mold has advanced valve gate system and cooling system, cap mold unscrewing ejection system and extrusion blowing mold auto deflashing system ST has strong PET Preform mold design capability with four design department. Annually, ST can offer international market around 150 sets of PET preform mold. As a specialist in PET Preform mold Making, SINCERE TECH is devoted to offering our customers high quality PET Preform mold based on high quality mould steel, high quality mould design and high precision mold processing.
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