When was the adjustable spanner invented

Two of the inventions, the pipe wrench and the adjustable spanner, brought him world fame, and are still sold all over the world today.

When his mother complained about dangerous paraffin lamps that broke easily, JP learned how to solder tin and made a paraffin lamp out of metal. As a young man, Johan Petter worked in railway construction and after his national service he got a job at Munktells Mekaniska Verkstad in Eskilstuna. This was when he designed his first invention, a lubricating nipple — this was a nozzle that provided machine parts with lubrication to reduce friction and load.

Munktell took out a patent for the lubricating nipple. A year later, Johan Petter had 14 employees and business was booming. As employer, he took care of his employees and their families, building both houses and schools. Each wrench fitted a particular size of pipe so, for every job, the plumber had to take all the pipe wrenches in a trolley. In , JP took out a patent on the adjustable pipe wrench.

Heather Lacey is a freelance writer who has been specializing in print and Web articles since She is a regular contributor to "Go Gilbert! Lacey has a professional background in hospitality management and studied journalism at Phoenix College. By Heather Lacey Updated September 26, Copyright Leaf Group Ltd. He is the group's engineer and "fixer. An adjustable wrench US or adjustable spanner UK is a wrench with a "jaw" of adjustable width. It can be used with different sizes of fastener head nut or bolt.

This type of tool may have other names in other parts of the world. Several people are claimed as its inventor. Who made the first adjustable wrench?

Category: automotive auto parts. Why is it called a spanner? What is the biggest adjustable wrench? What does a monkey wrench look like? What does an adjustable wrench look like? Why is it called a monkey wrench? What does a spanner look like? What is a combination wrench used for?

Combination wrench. What are adjustable wrenches made of? What is the difference between a crescent wrench and an adjustable wrench? How much is a crescent wrench? Compare Similar Products.