Showing posts with label molds. Show all posts
Showing posts with label molds. Show all posts

Tuesday, June 3, 2014

Are All Cast-Iron Toys Alike?

QUESTION: I’ve recently become interested in collecting cast-iron toys. But there seem to be so many new ones out there, it’s difficult to tell the difference between the new and the old. Can you give me some pointers on what to look for? I believe it would be easy to get ripped off when buying toys for my new collection.

ANSWER: You have to be very careful when buying cast-iron toys. Even knowledgeable dealers often can’t tell the difference between new ones and old ones. And if you’re buying them at auction sites online, you need to know a few things to prevent yourself from getting ripped off.

Cast iron was the 19th-century equivalent of today's plastics—it was cheap, could be made in almost any shape, and identical pieces could be mass-produced in molds. Unfortunately, those reasons are why so many toys get reproduced in cast iron. Although manufacturers produce new cast iron toys in the same way as originals, there are certain differences between originals and reproductions.

Foundries make most cast-iron toys using a method called sand casting which begins with a full-sized, three-dimensional model or master pattern which the foundry worker pushes into the sand to make an impression. Some foundry workers place the master pattern in a wooden box, or casting frame, then pack fine sand, called casting sand, around the pattern. Each mold requires two frames—one frame for the top half of the mold and another for the bottom. Most makers use brass or bronze masters for toy molds for better detail and longer life.
                           
The worker locks the casting frame halves together, then pours molten iron into the mold. The iron runs into the hollow impression and forms a copy of the master pattern. After cooling, he separates the frames and removes the cast piece for finishing. Most foundries use sand molds only once since the impression deteriorates when the worker pours iron into it. However, some can be used several times. The number of times a mold can be used depends on the skill of the worker, the complexity of the master pattern, and the level of quality acceptable in the finished casting.
   
Two other basic sand-casting terms—runner and gate—can help determine when the casting occurred by the marks they leave. A runner is a channel running through the mold which feeds molten metal into the individual castings. The gate is the point where the runner castings branch off into the casting.

The casting sand also allows for several important differences between new and old cast iron toys. Casting sand used in original molds was generally finer than the casting sand used today. This means that old cast iron almost always has a smoother surface than new castings made with coarser sand. The surface of old cast iron both looks smooth and feels smooth to the touch—something that’s impossible to tell when purchasing cast-iron toys online. New cast iron usually has small prickly bumps that rise above the surface and holes or pits that go below the surface. The rough texture is the most obvious on unpainted surfaces, such as the inside or underside of toys.

A second major difference caused by the casting sand is the amount of detail in new and old toys. The finer the sand, the tighter it could be packed around the master pattern, which transferred more and smaller details to the mold. Old castings almost always have sharper lines and more detail while newer ones are less sharp, blurred, and lack the fine details found in old pieces cast with finer sand.

Makers of reproductions, on the other hand, use actual antique toys as master patterns or copies of original toys or copies of copies. Cast iron shrinks 3/32  to 1/8 of an inch per foot between mold and casting. This means each time a maker copies a piece a certain amount of distortion occurs which results in loss of detail. Even if the foundry worker takes apart an older piece and uses it as a pattern, the reproduction will be smaller than the original due to normal shrinkage.

Another difference between old and new cast iron toys is the amount of hand finishing. Almost all old pieces had at least some hand finishing, while most reproductions have none. Evidence of this occurs in matching halves of original cast iron toys which makers fitted together by hand filing or at least had the edges tumbled smooth in a machine: This extra attention to fit produced a tight seam in original cast iron toys.

On the other hand, the seams in new cast iron are often loose, with 1/8-inch gaps or more. Worker’s perform what little finishing they do on reproductions with modern high-speed production tools, which leave obvious grinding marks. Whenever these marks appear, especially if they’re bright and shiny with no patina, it pretty much guarantees the piece is a reproduction.

The way decorators painted old and new toys is another indication of age. They used fairly heavy oil-based enamel paint on older ones and much thinner paint, usually a water-based acrylic, on newer ones. Also, they usually dipped the older cast-iron toys, rather than used a brush to apply the paint. Today, decorators use air-powered spray guns to speed production.

The use of thicker paint and the heavier coatings of paint produced by dipping produces a distinctive wear pattern in original painted cast iron toys. Dipping also leaves paint on surfaces that are hard to reach with a spray gun, such as inside surfaces, hidden angles, and along the edges where seams meet. Toy banks, for example, usually show paint on both inner and outer edges of the coin slot. Likewise, old paint around a coin slot should show the typical ragged paint chips which would occur with normal wear.

New, thin paint on reproductions doesn’t chip even if deliberately gouged.  Most chips in old paint also show different layers of rusty brown or black which appear in the order the decorator applied them.

Even unpainted, old cast iron appears a different color than new cast iron. Old iron usually looks dark brown or even black, while new cast iron is typically gray or a dirty silver color.



Tuesday, June 5, 2012

I Scream, You Scream...We All Scream for Ice Cream



QUESTION: I have an old pewter or white metal cylinder form which stands about 8 inches tall and has three parts: a decorative molded top in the shape of a bunch of fruit, a long tube center that’s ribbed on the inside, and a screw-on base that supposedly belonged to my great-grandmother. Can you tell me what it is?

ANSWER: What you have is what’s known as a banquet ice cream mold, topped by a sculpted bunch of fruit with leaves. This type of mold, made of pewter, dates from the early 1900's and would have been used for parties or holiday gatherings.

Ice cream is a frozen dessert usually made from dairy products, such as milk and cream, often combined with fruits or other flavors. It’s origins can be traced back to at least the 4th century B.C.E. when people living in the Persia (in today’s Iraq and Iran) would place snow in a bowl and pour grape juice concentrate over it, inventing what has come to be known as the snow cone.

During the first century A.D. , Roman Emperor Nero had ice brought from the mountains and topped it with fruit. But it wasn’t until the reign of China's King Tang in the 7th century that the idea of icy milk concoctions became popular, a idea that would ultimately become fashionable in European royal courts.

Arabs were perhaps the first to use milk as a major ingredient in the production of ice cream. They sweetened it with sugar rather than fruit juices, and came up with ways to produce it commercially. By the 10th century, ice cream had spread to Baghdad, Cairo, and Damascus. Makers used milk or cream, plus some yogurt, and flavored it with dried fruits and nuts.

Charles I of England so loved his "frozen snow" that he offered his ice cream maker a lifetime pension in return for keeping the formula secret. But it was the Quaker colonists who first introduced ice cream to America in 1772. During colonial times, confectioners sold ice cream at their shops in New York and other cities and some of the founding fathers, including George Washington, Ben Franklin, and Thomas Jefferson regularly ate and served ice cream. First Lady Dolley Madison served it at her husband's Inaugural Ball in 1813.

In 1843, the U.S. Government granted Nancy Johnson of Philadelphia a patent for a small-scale hand-cranked ice cream freezer. Eventually, the creation of the ice cream soda by Robert Green in 1874 added ice cream's popularity.

Decorative molds, enhancing ice cream's presentation at the table, appeared at fancy parties in the late 19th century, a tradition borrowed from British molded puddings. The most notable of the American mold firms were Eppelsheimer & Co., Krauss Co. and Schall & Co. However, the first ones came from European makers. Makers used pewter, white metal or tin to create a variety of forms ranging from animal, human and bird figures to floral, architectural, and holiday-oriented themes that came in various sizes.
                               
Joseph Micelli, Sr., one of the country’s premier mold makers, sculpted them with remarkable details of animals, people, flowers, fruit and even vegetables for the Eppelsheimer & Co. of New York. Their molds have E & Co NY and the mold’s catalog number stamped on the bottom.
 
The molds produced by Krauss Company, also of New York, are distinguishable by their integrated mold hinges rather than soldered hinges. 

Ice cream molds are now highly collectible. The barrel banquet mold in question above sells for around $250, but smaller ones in the shape of individual bananas, pears, peaches, and other fruit and flowers sell for $30 to $70. From the outside, these molds often look plain, but inside they include minute details. While the barrel mold was meant to be unscrewed and lifted off, most ice cream molds, as with their chocolate counterparts, have hinges that allow them to be broken open to release the creamy confection.