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Helmet Liner Manufacturer Identification Logo's & Markings


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#1 Bugme

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Posted 06 May 2010 - 10:10 AM

For future reference: On the inside crown of most every helmet liner made in WWII, is a manufacturers identification stamp. Below are graphics of what each stamp should look like along with the manufacturers name:

First up, a low pressure liner manufacturer:

Hood Rubber Company, Inc.
Watertown, Massachusetts


Identified by a silver "HR" in the crown

Attached Images

  • hr.gif

Edited by Bugme, 06 May 2010 - 11:41 AM.


#2 Bugme

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Posted 06 May 2010 - 10:13 AM

Another low pressure helmet manufacturer:

St. Clair Rubber Company
Marysville, Michigan


Identified by a yellow "SC" in the crown.

Attached Images

  • sc.gif


#3 Bugme

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Posted 06 May 2010 - 10:16 AM

High pressure helmet manufacturers:

Capac Manufacturing Company
Capac, Michigan


Identified by the 'CAPAC' cross implementing the 'P' as the center letter.

Attached Images

  • ca.gif


#4 Bugme

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Posted 06 May 2010 - 10:19 AM

High pressure manufacturer:

Firestone Tire and Rubber Company
Akron, Ohio


Identified by the Firestone: 'F' superimposed within a shield.

Attached Images

  • fi.gif


#5 Bugme

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Posted 06 May 2010 - 10:25 AM

High pressure manufacturer:

International Molded Plastics,Inc.
Watertown, Massachusetts


Identified by the image of a man with his hands on his hips within an oval and the letters 'IMP' across the bottom. Please note, the 'IMP' letters are nearly impossible to see with a naked eye.

Attached Images

  • imp.gif


#6 Bugme

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Posted 06 May 2010 - 10:27 AM

High pressure manufacturer:

Seaman Paper Company
Chicago, Illinois


Identified by a capital 'S' within an oval.

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  • se.gif


#7 Bugme

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Posted 06 May 2010 - 10:30 AM

High pressure manufacturer:

Westinghouse Electric Company (Micarta Division)
Pittsburgh, Pennsylvania


Identified by a capital 'W' sitting on an elongated oval within a circle.

Attached Images

  • we.gif


#8 Bugme

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Posted 06 May 2010 - 10:32 AM

High pressure manufacturer:

Mine Safety Appliance Company
Pittsburgh, Pennsylvania


Identified by the intertwined & stylized capital letters 'MSA' within a circle.

Attached Images

  • msa.gif


#9 Bugme

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Posted 06 May 2010 - 10:46 AM

High pressure manufacturer:

Inland Manufacturing Company(General Motors)
Dayton, Ohio


Identified by the name 'INLAND' within a house shaped outline.

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  • in.JPG


#10 Bugme

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Posted 06 May 2010 - 10:52 AM

Fiber(Paper & Fabric), manufactured liners:

Hawley Products Company, St. Charles,
Illinois. Also contracted to: General Fibre Company


Identification: Hawley Product Company Liners were stamped in capital black letters: "LINER, FIBRE M-1" on the interior side of the liner, most often near the temple behind the suspension. General Fibre liners have a small black "G" stamped in the crown)

#11 Bugme

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Posted 06 May 2010 - 11:37 AM

Here's a quick ID Chart for High Pressure liners:

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  • post_3410_1214170470.jpg


#12 Bugme

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Posted 06 May 2010 - 11:39 AM

Here are some photo's of the actual helmet liner logo's(Note, The Hood Rubber logo is worn off in this example but, you can see the distinctive Hood style crown area) reference photo's from Top Pots:

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  • post_80_1167511515.jpg

Edited by Bugme, 06 May 2010 - 01:43 PM.


#13 37thguy

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Posted 06 May 2010 - 12:02 PM

Great topic. This should be pinned. I read somewhere where some of the INLAND stamps were stamped backwards, frontwards, and sometimes both on the same liner. :think:

#14 Bugme

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Posted 06 May 2010 - 01:37 PM

Here's a double stamp image of an Inland mold that made it's way to Firestone where their stamp was superimposed over the old Inland stamp.

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#15 Bugme

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Posted 06 May 2010 - 01:58 PM

Here's a nicer example of the actual Hood Rubber logo:

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  • hood_rubber.JPG


#16 Bugme

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Posted 06 May 2010 - 02:09 PM

This is the image found on a Hawley Fibre Liner:

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#17 Bugme

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Posted 06 May 2010 - 02:12 PM

On the Hawley helmet liners that were sub-contracted to General Fibre Co. you'll also find a simple 'G' stamped somewhere near the crown. This is an image of an actual 'General' stamp.

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  • post_729_1273157057.jpg


#18 odysseios

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Posted 08 May 2010 - 07:10 AM

The Firestone over Inland stamp inside the liner of my Navy M1:

basco_040a.jpg

#19 Bugme

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Posted 08 May 2010 - 08:06 PM

CAPAC/Westinghouse double stamp

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#20 sharpsshooter

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Posted 23 October 2010 - 01:25 AM

For future reference: On the inside crown of most every helmet liner made in WWII, is a manufacturers identification stamp. Below are graphics of what each stamp should look like along with the manufacturers name:

First up, a low pressure liner manufacturer:

Hood Rubber Company, Inc.
Watertown, Massachusetts


Identified by a silver "HR" in the crown

Thanks for the liner manufacturer identification stamp information. This really helps to tell who made my liners. Is there liner identification stamps for liners used in KOREA and VIETNAM? I have not found any.

#21 yardbird

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Posted 23 February 2011 - 03:26 PM

Hey this a great post..checked out my liners..1 Firestone..1 Capac..and 2 Westinghouse that were issued to me..one at Ft.Sill 1945 and the other at Ft. Knox...1946..

#22 nedwiar

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Posted 02 July 2011 - 03:28 PM

Where are the markings located?

#23 Bugme

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Posted 03 July 2011 - 04:41 AM

Where are the markings located?

Inside the liner at the crown(top)

#24 ken88

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Posted 18 July 2011 - 06:31 AM

Capac is definitely the most dangerous one if you collect wwII stuff.

I got fooled once and it immediately went back.

Wouldn't buy them anymore.

I do have a Seaman liner if you guys ever need pics on that one.

Cheers

#25 DannyBMW

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Posted 05 September 2011 - 12:55 PM

What do you mean by Dangerous... I have a Westinghouse/Capac double stamp so I'm curious. :unsure:


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