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Paper cutters were developed and patented in 1844 by French inventor Guillaume Massiquot. Later, Milton Bradley patented his own version of the paper cutter in 1879. [1] Since the middle of the 19th century, considerable improvements to the paper cutter have been made by Fomm and Krause of Germany, Furnival in England, and Oswego and Seybold in the United States.
These requirements are fulfilled by a doctor blade assembly which includes a doctor blade holder. Doctor blades are traditionally designed in 3 main tip configurations: straight, bevel and lamella. A straight doctor blade has a straight, blunt edge and is used for lower quality print. A beveled doctor blade is cut at an angle creating a beveled ...
Paper knives are no longer in common use, except perhaps by antiques enthusiasts. [2] An electric version of a letter opener is also available, which uses motors to slide the envelopes across a blade, and is also able to handle increased numbers of envelopes, but the blade can slice into the contents of the envelope and damage them.
Hobbycraft’s chief executive, Dominic Jordan, says that while the company is in a strong position heading into the 2023 financial year, the months ahead remain challenging. Dominic went on to add that the current cost of living crisis is causing problems, and that the company also faced challenges with shipping costs.
A Hollander beater. A Hollander beater is a machine developed by the Dutch [who?] in 1680 to produce paper pulp from cellulose containing plant fibers. It replaced stamp mills for preparing pulp because the Hollander could produce in one day the same quantity of pulp it would take a stamp mill eight days to prepare.
Manual hedge trimming. A hedge trimmer, shrub trimmer, or bush trimmer [1] [2] is a gardening tool or machine used for trimming (cutting, pruning) hedges or solitary shrubs (bushes). Different designs as well as manual and powered versions of hedge trimmers exist. Hedge trimmers vary between small hand-held devices to larger trimmers mounted on ...
An electric trimmer. Electric hair clippers work in a similar way as manual ones, but are driven by an electric motor which makes the blades oscillate from side to side. [6] They have gradually displaced manual hair clippers in many countries. Three different motor types are used in clipper production: magnetic, rotary and pivot.
A ten-blade saw demonstrated by FirstEnergy in 2017. An aerial saw is a saw which is flown through the air. The aerial saw may also be known as a helicopter aerial saw.. Large aerial saws are flown by helicopter to trim trees in remote locations when they overgrow power lines, pipelines or other infrastructure.