Links and Resources.

Knowledge Base and Helpful Links.

For the convenience of our visitors, we have listed some helpful web sites and links. These sources will provide useful information and make your job quicker and easier. These are general guidelines only: No information supplied provides a warranty, expressed or implied, regarding the suitability of the suggested design methods or materials. User retains all responsibility for correct designs and part performance.

Knowledge Base and Design Guides

Design Guide: Gate Types, Dimensions & Locations (.pdf)
Design Guide: Texture Guidelines and Draft Table (.pdf)
Design Guide: Wall Thickness, Ribs and Bosses (.pdf)
Design Guide: RTP Company Guidelines for Plastic Design (.pdf)
Design Guide: Plastic Design Guide & Checklist (.pdf)
General Info: High Standards (.pdf)
General Info: Ionized Air Treatment (.pdf)
General Info: Cleanroom & Textures (.pdf)
General Info: Mold Classifications (.pdf)

Helpful Links and Web Sites

Dukane Ultrasonic Welding -
Branson Ultrasonic Welding -
Underwriters Laboratories -
U.S. Patent Office -
Emhart Teknologies -
Dodge Inserts -
McMaster-Carr -
American National Standards Inst. -
American Society of Testing & Materials -
RTP Company: Design Guide -
Mold-Tech -

Local Trusted Vendors:

Service Company E-mail and contact
Aluminum Casting

Aluminum and Zinc Aluminum Castings 
Precision (Green) Sand No-Bake 
(Air set) Sand 
Permanent Rubber Plaster Molding (RPM) 
In-House Patternmaking, Tooling, 
Castings, Secondary Machining. 
Plating, Painting, Powder-Coating
General Foundry Service
1390 Business Center Place 
San Leandro, California 94577
ph: 510-297-5040
fax: 510-614-2171
Started: 1946
Employees: 75
Keith Krook
Business Development Mgr.
Injection Molding

Injection Molding, Plastic
Tool & Mold Making, Inj. Molding
Value Added Services:
 Pad Printing
 Part Decorating
 Silk Screening
 Assembly, Mechanical, Ultrasonic, Heat 
     Stake, Adhesive
KS Manufacturing Group
2116 Farallon Drive
San Leandro, CA 94577
ph: 510-490-7993
fax: 510-490-3548
ISO: 9001:2008
Started: 1976
Employees: 72
Eric Robinson
Sales Manager
Extension #28

CNC Milling and Turning
Prototype to Production
CMM and Surface Inspection
Engineering Services
Jaco Machine Works
308 Encinal Street
Santa Cruz, CA  95060
ph: 877-429-8175
fax: 831-429-8199
Andy Smith, PE
Mgr., Sales & Eng.

CNC Milling and Turning
Wire EDM
Water Jet Cutting
Sheet Metal
Prototype to Production
Engineering Services
Laser Micromachining
Product Assembly and Finishing
A-1 Jay's Machining Inc. 
2228 Oakland Rd.
San Jose, CA 95131 USA
ph: 408-262-1845
fax: 408-262-4561
Graphic Overlays, Printed Components

Membrane Switches
Metal or plastic overlays
Pressure sensitive labels
Metal nameplates
UV screen & digital printing
Etching or photo anodized metal
UL 969 materials and processes
Mil Spec
Melrose NamePlate and Label
26575 Corporate Ave.
Hayward, CA  94545-3920
ph: 510-732-3100
fax: 510-732-3111
Jim Perry
Sales Engineer
O-Rings & Gaskets    
Darcoid Nor-Cal Seal
950 Third Street
Oakland, CA 94607
ph: 510-836-2449
fax: 510-836-2675
ISO: 9001:2008
Ron Riley
VP, Sales & Mktg.

Plastic Materials
Design Assistance
Mold Flow Analysis
Design Analysis
The RTP Company
580 E. Front Street 
Winona, MN 55987 
ph: 507-454-6900
fax: 507-454-2041
Lonny Miller
415-533-1102 (Cell)
Springs and Stamping

Fourslide Stamping 
Progressive Stamping 
Waterjet Cutting 
Coil Springs 
CNC Wireforms 
Tool and Die 
Scandic Springs 
700 Montague Avenue 
San Leandro, California 94577 
ph: 510-352-3700 
fax: 510-352-6914
started: 1969
Jason Hensel
Sales Engineer