The Superior times. [volume] (Superior, Wis.) 1870-1912, 1899-05-20
No. ITO, 81
Published April Is, 1899.

AN ACT regulating the operation and use
OF emery wheels or emery belts Of all
kinds III factories workshops, and pre-
scribing penalty for the violation there
Of
The people of the state of Wisconsin, rep
resented in senate and assembly, do enact
follows
Section l. That all persons, companies or
corporations operating any factory or work
shop where emery wheels or emery belts
or any description are used for polishing,
either solid emery, leather, leather COW
cred, felt, canvas, linen, paper, cotton, or
wheels or belts rolled or coated with EN-
cry or COrundum, or cotton wheels used as
bluffs, shall, when deemed necessary, by
the factory inspector, assistant factory in
SpectoF, or any officers Of the bureau of
labor, provide such polishing wheels or
bcI,s with blowers or similar apparatus,
which shall be placed over. beside or IN
der such wheels or belts IN such manner
as to protect the person or persons using
the same from the particles of the dust
produced and caused thereby, and to carry
away the dust arising from or thrown off
by such wheels or belts while in operation,
direcL-v TO the outside of the building or
TO some receptacle placed SO as 10 receive
and contne such dust Provided, that
grinding machines upon which water is
used at the point of grinding contact shall
be exempt from the provisions OF this act;
and provided that this act shall apply
only to those wheels or belts which are
used for polishing and which are con-
tanned in the room or apartment usually
denominated the polishing room, and which
are used continuously therein: and pro-
vided further, that this act shall not en-
brace apply to such wheels or belts as
cannot be so equipped without imparing
the convenient or necessary use thereof.
Section ,. No emery wheels or griudstoue
in any factory, mill or workshop, shall be
used when the same is known to the person
using the same to be cracked or otherwise
defective, nor operated at a greater speed
than Indicated or guaranteed by the man
uIacturer of such emery wheel grind
stone.
Section 8. 1t shall be the duty of any
person, company or corporation operating
any such factory or workshop to provide
or construct such appliances, apparatus,
machinery or other things necessary to
carry out the purpose of this act as set
forth in the preceding section. as follows
each and every such wheel shall be fitted
witn sheet or cast iron hood or hopper,
Of such form and SO applied to such wheel
or wheels that the dust or refuse there
from will fall from such wheels or will be
thrown into such hood or hopper by cen
current OF air into Il suction pipe attached
TO same hood or hopper.
Section 1. Each and every such wheel
six inches or less in diameter shall be pro-
Yided with three-inch suction pipe; wheels
six inches to twenty four inches in di-
ameter, with fOur-inch suction pipe: wheels
from tweBty-four inches To thirty-Siy inches
in diameter. with fye-inch suction pipe;
and all wheels larger in diameter than those
stated above shall be provided each with
a suction pipe not less than six inches in
diameter. The suction pipe from each
wheel, SO specified, must be full size as to
the main trunA suction pipe. and the main
suction pipe to which smaller pipes are at
tacned shall, in its diameter ana capacity,
be equal TO the combined area Of such
smaller pipes attached to the same, and the
discharge pipe from the exhaust fan con
necged with such suction pipe or pipes
shall be as large. or larger than the suction
pipe.
person, company or corporation operating
any such factory or workshop to provide
me necessary fans or blowers to be con
nected with such pipe or pipes, as above
set forth. which shall be run at rate OF
speed as viii produce a velocity Of air in
such suction or discharge pipes Of sufficient
force to carry away all dust discharged
inJo the aforesaid hood or hopper. All
branch pipes must enter the main trunk
pipe at any angle Of forty five degrees or
less; the main suction trunk pipe shall
be below the emery or buffng wheels, and
close TO the same as POSSIBLE. and to be
either upon the floor or underneath the
HoUr on which the machines are placed to
which such wheels are attached. All
bends. turns. and elbows in each such pipes
must Ne mad" with easy. smooth surfaces
having radius in the throat Of not less
IuHn TWO diamcters of the pipe on which
they are connected.
Section t. The provisions Of sections I
and shall not apply to existing mills
factories or workshops which. ut the time
of the paSSag" Of this act have an appIi-
ance or appliances designed and used for
the purpose of removing such dust from The
polishing room. and which said appliance
or appliances substantially effect such de-
Section : 1t shall be the duty Of every
factory Inspector of this state, or his lppl-
.tS 70 enter any factory or WORKSHOP IN
tits state during working hours, and upon
aScertaininE the facts that the pToprietors
or managers OF such factory or workshops
have failed 10 comply with the provisions
Of this act, to make complaint Of the same
in writing before justice of the peace
or police magistrate having jurisdiction
who shall thereUpon issue his warrant. di-
rected 10 the owner. manager or director.
In such factory or workshop, who shall he