5 Simple Techniques For red brand canners hbr case solution

These groove ring wax seal finishes, whatever the precise producing approach made use of (mentioned later), seem when seeking down for the rim on the end for being two round and parallel ridges with the indented groove separating them.  This groove was referred to as an "annular groove" by early glassmakers.

  The subsequent is an inventory of producing dependent diagnostic characteristics - including the believed relationship ranges - that illustrate these discrepancies and assist with canning jar relationship:

  Sq. gothic pickles look to acquire all but disappeared over the 1880s and all examples observed via the writer had rolled or applied finishes (empirical observations).  It ought to be mentioned that square bodied pickle bottles ongoing to become extremely well known following that time though seem to almost never (if ever) have molded gothic decorative attributes following the late 1880s.  (Sq., non-gothic pickle bottles are discussed following the spherical kinds down below.)

Different terminology is used in the descriptions that may be unfamiliar Should you have not analyzed other webpages on This web site.  If a term is unfamiliar, initially Examine the Bottle Glossary webpage for an evidence or definition.  In its place, one can do a search of this Web site.  To try and do a word/phrase look for 1 will have to make use of the "Lookup SHA" containers located on a lot of the most important SHA Web content, such as the Investigation Methods webpage (higher appropriate facet of that web site) which one-way links to This web site.

Begin to see the introduction to this "Canning Jars" area previously mentioned for common production associated diagnostic courting data for canning jars.

e., ease of manufacture, impermeability towards the ambiance, and inert in connection with virtually all food items merchandise contained within just imparting no "off" flavors (Bender 1986; Jones 1993).  (Notice: Bender [1986] includes an outstanding however succinct overview of early nineteenth century food items preservation initiatives, Even though the reserve is mostly devoted to the main closures used by the glass packing industry through the first fifty percent on the twentieth century.)

The example pictured (about the rim on the Holliday Dairy bottle talked about previously) is strange as it's got per month code of 2 (February) superimposed above a ten (Oct) as well as a year code of 5 (1925) superimposed over a 4 (1924).  Paying homage to an "overdate" inside the coin world, this re-engraving was carried out to "update" the complete producing ring mildew from a date of Oct 1924 to February 1925.   Up to now, the earliest day code discovered on the milk bottles is August 1923 Though earlier dates are feasible.  To date these codes have only been famous on milk bottles made by Californian glass factories for Western dairies, and even though normally encountered, not all West Coast dairy bottles have rim codes throughout the famous time range (Schulz et al.

The commonest In general form for milk bottles for the majority of the period of time protected by this Internet site was cylindrical or round in cross-part.  A lot more particularly, from the 1880s when the 1st distinctive bottle model connected to the bottling of milk was invented and noticeably utilized (protected below) until eventually the late 1940s/early nineteen fifties when sq. or rectangular bottles commenced to become far more frequent, cylindrical shapes dominated the milk bottle market.

The noted patent was granted to Joseph Borden of Bridgeton, NJ. who assigned it to David Potter and Francis Bodine who ended up the proprietors from the Bridgeton Glass Is effective.  This jar was blown by using a purposefully molded "bulging ring" around the try this website surface of the end-to-be space, to which "...force (was) placed on the top of your jar and ring by way of a former which embraces the neck of the jar and enters the mouth..." which (to chop on the chase) compressed the molded projecting ring into the upwards flaring outer ring within the jar.

Other visuals of ketchup bottles can be obtained by clicking on the next back links.  This will help show a little the range of form located in these bottles:

A very widespread design designed in the 20th century equipment-made era were bottles - or really jars - like that pictured towards the remaining (justification the very poor picture off of eBay®).  This salad dressing jar is often a model that was Employed in lots of dimensions For several solutions for a few years and remains to be a essential very simple fashion in use now for salad dressings, olives, peppers, plus a myriad of other products and solutions (meals and otherwise) all through the entire world.  The pictured jar is device-manufactured and it has an external steady thread end.  The mouth or bore from the jar is nearly as large as your body which aids easily aid the elimination on the contents.

Even though the variety of different shaped glass containers employed for food stuff goods was really considerable, numerous courses of meals bottles and jars do share a few traits in typical.  In particular, bottles/jars supposed for cumbersome strong foodstuff items (like preserved pickles, olives, fruits, etcetera.) experienced to acquire a comparatively vast mouth (bore) so that you can the aid the packing along with extraction of these goods.  (This is apparent over the mid-19th century "cathedral" pickle bottle pictured to the above mentioned remaining.)  Some liquid food items containers like milk bottles (illustration to the proper) also had somewhat wide mouths for All round ease of use (and cleansing for re-use) even though other extra liquid foodstuff products and solutions (oil, sauces) labored really well with slender mouth bottles.

See the introduction to this "Canning Jars" part over for common producing linked diagnostic courting details for canning jars.

Even though the illustrated bottle does not have an used shade label (ACL), these style bottles incredibly generally did have these types of indicating the dairy title together with other slogans, motifs, trade marks, photographs, advertising and marketing, along with the like.  Click amber quart square milk bottle to see a nineteen fifties period ACL example from Phoenix, AZ. which was product of amber glass which was made use of at times, reportedly for made up of a Exclusive Vitamin D milk (Tutton 1989).

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